Borne on strong, sturdy stems, the blossoms create a colorful show that extends well into the fall. Oakleaf hydrangea is an upright, multi-stemmed, deciduous shrub in the Hydrangeaceae (hydrangea) family. Dip the cut stem end in rooting hormone. If pruning old-wood types at all, do so right after its buds begin to flower in summer. Pinky Winky ® H. Blooming profusely from late summer to fall, the charming blossoms contrast nicely with. Whether you grow a big leaf hydrangea, panicle hydrangea, smooth hydrangea, or oakleaf variety, a well-tended hydrangea will give you lots and lots of gorgeous blooms throughout the summer. Hydrangeas do best in moist soil and can wilt in hot weather, so keep well-watered during hot spells in summer. tall (90-120 cm) and 5 ft. FactoryTh/Getty Images. Hydrangea serrata 'Hydrantea' is easy to grow and makes a lovely addition to ornamental borders. A. You can use simple additives to change the soil’s pH. Hydrangeas are an easy-to-care-for shrub that can successfully grow in zones 3 to 9. October 14, 2023. You want to cut down to just above the fresh. Dig up the rooted section from the ground. Check for any circling white roots and loosen them away from the root ball. Using a pair of clean and sharp pruning shears, make a clean cut just below a leaf node (the point where a leaf attaches to a stem). Flare Hydrangea bloom on new wood, so trim as needed in the fall after the flowers fade. Quick Fire hydrangea is an eye catching shrub with several outstanding features. If they seem overgrown or floppy, especially after a hard rain, pruning will tune them up. Providing a long season of interest, Ruby Slippers is a lovely Oak Leaf Hydrangea to be used as a garden focal point or combined with other shrubs or perennials. Prune in later winter or early. chateau™ rose of sharon. Hydrangeas look fantastic in cut flower displays at any time of the year. Spray pests with insecticidal soap spray. peony collection. Remove the plant from its nursery pot and place it in the container. In early fall, when everything else begins. How to say Hydrante in English? Pronunciation of Hydrante with 1 audio pronunciation and more for Hydrante. 96 inches. Add plenty of organic matter (such as compost) around the plant. Bill Stites/EYESWEET INC. Smooth hydrangea (Hydrangea arborescens), sometimes called hills of snow or snowball hydrangea, is an especially easy-growing type native to North America. When growing hydrangea as a houseplant, a period of dormancy during fall and winter is recommended. The fertile flower parts are much smaller, less. Light/Watering: Most varieties tolerate full sun in the North, but benefit from afternoon shade. Shake them off, cut the bottom of the stem, and place them in water with flower food. Establishment and Care Instructions. How to Deadhead Bigleaf and Oakleaf Hydrangeas. Especially for the early afternoon when south facing gardens get full sun. In the South, plants require afternoon shade. With immense flower heads, hydrangeas flaunt an old-fashioned charm from summer to fall. Set the plant in the hole with the top of the root ball at the same height or ever-so-slightly higher than the soil surface. You may hang the cut bloom upside down or in a vase with just a few inches of water. Causes. Oakleaf hydrangea is more drought-tolerant than other hydrangeas. ) by way of sticky aerial roots. Limelight hydrangea tree. As that happens, water molecules in the ground freeze (contract) and then melt (expand), disrupting the root system (heaving). Fungicides aren’t effective for treating rust. Some types grow significantly larger than others. But Hydrangea roots are actually surprisingly shallow. It grows best in part shade in Zones 3 to 9. There are many species, hybrids, and cultivars of hydrangeas. You can reduce instances of powdery mildew through liberal spacing to promote better air circulation and. These are the four most common types: Smooth ( H. To figure out how much water your new hydrangea needs, start by watering it two or three times per week (less in spring and fall and more in summer) and checking the soil in between waterings. • Water deeply to settle, then add more soil if needed. Planting the hydrangea tree properly is the key to its success. Name: Cityline Mars hydrangea ( Hydrangea macrophylla Cityline 'Mars') USDA Hardiness Zones: 5-9. Your hydrangea will need frequent watering in warm weather; check the container for moisture daily. Reliable, incredibly hardy, heat tolerant, this US native hydrangea is perfect for mixed borders, small gardens and patio containers. Dig a hole 2 feet wider than the root ball and as deep as the root ball, so it sits level with or slightly higher than the soil in order to encourage drainage. Fill several small pots or a larger pot with loose, sandy potting mix. But pruning an old-wood hydrangea in spring will remove the existing buds, and it won’t flower that year. Repot your hydrangea in a pot that is 5-10 cm deeper than the old pot. "Also, removing broken and damaged stems. Fill with potting soil to the bottom of where the plant will sit. "Hydrangea Shrubs. Invincibelle Wee White ® hydrangea is positively ground-breaking: it's the first dwarf 'Annabelle' type hydrangea in the world! This cute little landscape plant ensures that any landscape can enjoy the reliability, low-maintenance, and season-long beauty of hydrangeas. Height: 3 feet. Beyond flowers, these amazing shrubs offer additional ornamental beauty from neat and inte. macrophylla) – Bigleaf hydrangea is an attractive shrub with shiny, toothed leaves, a symmetrical, rounded shape and a mature height and width of 4 to 8 feet (1-2 m. Learn more about how to grow hydrangeas in pots. Hydrangea serrata is native to the mountains of Korea and Japan, making it an excellent woodland plant or even a good option for a shaded rock. across (15 cm), densely packed with hot pink or rose-red florets depending on soil pH. Mature plants also need their moisture levels boosted during the growing season, especially in periods of drought. Long used as a common name for the plant, the name 'hortensia' also indicates a specific selection of bigleaf hydrangea, which goes by the scientific name Hydrangea macrophylla 'Hortensia. Zones 5-9. Hydrangea macrophylla, best known as the mophead hydrangea, is one of the easiest varieties for growing indoors. Thereafter, cut back to one feeding per month. Hydrangea anomala subsp. You want to cut down to just above the fresh. Its flattened clusters of 2- to 6-inch wide greenish white flowers appear from late spring through summer. Its foliage is spectacular even without the massive, upright, 12-inch blossoms. Causes of yellowing hydrangea leaves are too much water, iron deficiency, and too high of your soil pH. The exception, of course. Available in better garden centers. Care for hydrangeas by giving them full sun in moderate climates and morning sun in hot areas, humus-rich soil when possible, and consistent moisture without waterlogging the plant. 8. Since the 'Pistachio' hydrangea is a reblooming variety that flowers on both new and old wood, little pruning is required. Climbing Hydrangea (Hydrangea petiolaris) – Hardy to zone 4, climbing hydrangea is a woody vine with white flowers. tall (90-120 cm) and 24-36 in. across (22 cm), densely packed with white, flushed pink florets. Height and spread: 100cm (39"). Gently loosen the roots, then plant using plenty of rich soil. Make sure the plant will have partial shade. Rarity . Wrap chicken wire around the stakes to form a cage. Bobo ® - dwarf (3’ tall and wide), lacy white flowers turn pink, best color and blooming in cooler climates. Flare™ Hydrangea will grow 2 to 3 feet tall and wide. Hydrangeas add gorgeous flowers and dimension to your garden and landscape. Hydrangea name meaning. Crush the ends of the hydrangea stems as you typically would, until the stems are mushy. White Dome Hydrangea @ritae / pixabay. 5-6. The most prevalent causes of. Like the original, it is early blooming, flowering about a month before other hydrangeas. Blooming about a month before other hardy hydrangeas, Hydrangea paniculata Little Quick Fire® is a compact, bushy, deciduous shrub boasting a profusion of large, airy panicles, 6 in. See our Hydrangea Growing Guide for information on how to care for these flowering shrubs, including pruning and winter protection. "Mop heads" have big round, dense balls. Trimming your hydrangea at the wrong time of year can also cause a lack of flowers. Annabelle hydrangea is propagated with softwood cuttings taken in spring. Mulch hydrangeas every year in spring, with leaf mould, well-rotted manure, or compost. Hydrangea paniculata (tree hydrangea, panicle hydrangea): Growing 8 to 15 feet tall with white. The plant is a stellar. Propagation by cuttings is the main way of reproducing these plants. The flowers are held upright on strong stems, and continue to grow and lengthen as they bloom. Growing from five to six feet high and wide, this shrub is more compact in nature than other oakleaf hydrangeas. Not enough water, soil draining too quickly without retaining moisture, tree roots that compete with the hydrangea for water/ intercept rainfall, too much. Hydrangea is a species of hardy flowering perennial shrub with large domed or flattened flower clusters. Width: 3-5 Feet. ’ 8. If you're in a warmer zone (8-9), you might want to limit the amount of. Incrediball is an improved version of the popular Annabelle hydrangea, with strong, sturdy stems that do not flop over and extra-large blooms. Only two of the few commonly grown species actually have the ability to change color. patio tree collection. Make sure to keep your arrangement out of direct sunlight. Hydrangeas are one of the most popular landscape shrubs in the US. Plant hydrangea where the shrub is exposed to morning sunlight and afternoon shade, especially in warmer climates within zone 7. Complete these five essential jobs this fall to set your plants up for the coming seasons. A favorite of many gardeners – and deservedly so – Hydrangea arborescens ‘Annabelle’ (Smooth Hydrangea) is an outstanding flowering shrub. This variety,. In the north, full sun can be tolerated throughout the entire day. The Panicle Hydrangea is more tolerant of full sun than other hydrangea species. (37 cm), atop strong, stiff stems that do not flop. The method for deadheading hydrangea blooms depends. ’ 8. Once established, hydrangeas should be watered about one inch per week, spread across 3 watering sessions. 6. Water low and deep with about one inch of water per week. Remove the plant from its container: Gently tap the sides of the container to loosen the root ball. Most common species are from Asia, spread across China, Korea, and Japan, while the Smooth Hydrangea and Oakleaf Hydrangea are native to the North American continent. 5 pH, or. Hydrangea paniculata 'White Diamonds' is a compact, bushy, deciduous shrub boasting glistening white flower panicles in mid-summer. Place your hydrangea pot in a sunny spot. bloom colors Blue, Pink, Cream-splashed Green. Hydrangea paniculata or the panicle hydrangea is the sunseeker of the hydrangea family. Cover the soil surface with 1 to 2 inches of mulch, avoiding the area closest to the stem to avoid fungal issues. Prune old branches back to the lowest pair of healthy buds near ground level for a neat framework. Annabelle hydrangeas are more cold hardy than mophead or oakleaf hydrangeas, can still grow in zone 3. Its flowers are produced on old wood from last. It has strong branches and big flower heads. long (12 cm), in late summer to fall. Look for the “broccoli,” Lorraine says. After the boiling water trick, you can put the cut hydrangea flowers back in the bucket of water up to their. Hydrangea macrophylla is one of the most popular species of hydrangea. Professional Growing Information. If possible, plant them in an area that gets some afternoon shade in climates with hot summers. Bobo ® H. Some form their flower buds on old wood, meaning next year’s buds are already present on the branches in fall and winter. Panicle Hydrangea Propagation. Whereas soils that are above 6. If planted in the summer, make sure that it has enough water to avoid drying out. Secure the main stem with a bamboo stake and use gardening tape or ties to keep it upright and straight. Keep the blooms out of the sun in a well-circulated area. Be sure to check if your plant is old wood or new wood before you get out the pruners. Use an approved fungicide if necessary. Fill several small pots or a larger pot with loose, sandy potting mix. Tardiva Hydrangea Care. USDA Zone: 3 to 9. All hydrangea plants need irrigation in the summer, especially if they are planted in a full sun location. The plant blooms best in full sun, at least 6 hours. The hydrangea color chart below shows the estimated flower color as it varies by soil pH level. macrophylla Cityline® Paris is one of the Cityline® series of dwarf plants with smaller-stature flowers for Zones 5 to 9. Performs best in full sun or. Starting at $94. 5 pH, or “sweet. ‘Limelight’ – full-sized, green flowers turn burgundy-pink, fairly late to bloom. How long it will take for your hydrangeas to perk up again depends on how. If your chosen hydrangea is a variety with large leaves, you can also trim the remaining two. A faster option is to do a repeated liquid soil drench in March, April, and May. This type of hydrangea has a rich history and an even richer appearance. Features. Hydrangeas are some of the more beautiful garden shrubs, exhibiting big billowy blooms that come in various shades of pink, blue, purple, white and even green. Held on strong dark red stems, the blossoms open creamy white, change to pale pink, and then deep pink and lilac as the season. Best easy-care hydrangeas Whether it's planting, pruning, watering, or. There are two ways that hydrangeas bloom: new wood, and old wood. Once all water has drained, add enough soil to fill up the hole and water again. Others form their flower buds on new wood. The soil should be consistently moist but not. Most shrub-form hydrangeas sold in North America fall into one of five types: bigleaf, mountain, smooth, panicle and oakleaf. Hydrangea seeds need to be surface sown. Compared to its famous eight-foot-tall sibling, 'Limelight,' the 'Little Lime' hydrangea may look too small. Add plenty of organic matter (such as compost) around the plant. To propagate Wedding Gown hydrangea, take stem cuttings in early summer from semi-hardwood that contain 2-3 nodes. '. Adding bone meal is a great way to increase the phosphorus in the soil. The first symptoms are orange pustules on the bottoms of the hydrangea leaves and yellow spots on top. Looking across a yard at a bank of hydrangea bushes in full bloom is certainly. Here is a guide to all things hydrangea: a description of the different types, how to. Position the stake close to the trunk and sink it at least six inches into the ground, taking care to avoid damaging the roots. Look for an area in your garden that has good well-draining soil and is located in partial sun. Use a high quality potting soil for best results. After you plant the hydrangea into the amended soil, be sure to add a thick layer of mulch. Then, remove any flowers or buds, as well as any leaves on the lower two-thirds of the stem. These thirsty plants will quickly start to droop if they don’t receive enough water, so check them daily, particularly during hot or dry spells. The first defining factor in Hydrangea color is the species. Blooming on both old and new growth,. Planting in infertile soil can be detrimental to the growth of your hydrangeas. Where to grow hydrangeas (Image credit: Leigh Clapp) Hydrangeas grow best in well-drained soil, in a protected, dappled shady spot. STEP 1: Identify which type of hydrangea you have. Paniculatas dependably bloom on new growth every year in mid-summer, and the show is spectacular. Water the plants sparingly to prevent the dormant plant's roots from sitting in water, adding just. "Maturing to a height of 6' by 6', Tara's cloudlike blooms rest atop elegant oak shaped leaves that take on a rich red hue in fall," says McConnell. 99. Grows best in zones 3-9. The flowers make great cut flowers, fresh or dried. With proper care and maintenance, Myers says you can stop your hydrangea blooms from growing too large. Hydrangeas are one of the most popular landscape shrubs in the US. Flowers, like clothes, go in and out of style, but white hydrangeas will always dispel gloom in a dark corner. Image . The “ lacecap ” version of this species. It includes over 70 species of deciduous and evergreen shrubs, as well as a few small. You'll need 3- to 5-inch pots with drainage holes, sandy potting mix, rooting hormone, and sterile clippers. Provide consistent watering for moist soil, especially during the growing season. Oakleaf and bigleaf hydrangeas will bloom on old wood and do not require any pruning except to control bloom height or to tidy up the plant. Once the germinated seeds are big enough to handle, transplant them to their spot outside in the fall. Bloom on new wood when plant is at least two years old. (Image credit: Alamy) Hydrangeas like sunshine, and so choose your sunniest spot to place them in. Scrape some of the bark off of the branch, exposing some growth points. Grows up to 3-4 ft. First, don't water your hydrangeas with sprinklers. If you want to create a new hydrangea plant right next to a current one, you can. Up to 20% off. Take a stem cutting around 5cm long that has a plump bud, and treat as above. Watering top down will encourage fungal disease, and potentially harm the plant. Instead, they grow in a loose, spreading mass of fibers often referred to as a root ball. A dependable performer, this hydrangea cultivar raises the bar with snowy white flowers up to a foot wide, starting in June and lasting until frost. The flowers make great cut flowers, fresh or dried. STEP 1: Cut the shoots back by a third to a half. It's an upright, multi-stemmed shrub with a loose, open branching habit. Twist-n-Shout® Bigleaf Hydrangea: This is a lacecap variety that grows between 3 and 5 feet tall. Low maintenance and easy to grow, this hardy hydrangea can be used as a hedge,. Continue to 5 of 14 below. Mulch helps alleviate those dramatic changes to protect the plants. paniculata . If your hydrangea shows signs of dryness (like drooping leaves. 08 of 26. Matthew Benson. dan hinkley collection. Fire Light ® Panicle hydrangea . White flowers transform to pink-red as summer progresses. hydrant: [noun] a discharge pipe with a valve and spout at which water may be drawn from a water main (as for fighting fires) — called also#R##N# fireplug. The simplest technique is to water thoroughly (until the. As that happens, water molecules in the ground freeze (contract) and then melt (expand), disrupting the root system (heaving). The dark green options are exceptional with white hydrangeas, and the variegated green and cream types go well with white, pink and blue hydrangeas, depending on what you have chosen. Sprinkle them on the seed-raising soil and moisten them with a spray bottle. A quite different kind of plant is the Panicle Hydrangea. It is hardy through zone 4b/5a. Keep your eye on it and, as the flower dies, put a paper bag over it. Learn more about these show-stopping bloomers, including how to grow and care. Dreamin' is beautiful and versatile, looking great in both the garden or planted in a decorative container. Be careful not to cut the roots of the cutting or the mother plant with your spade. Feed the plant every week while the plant is blooming, using a water soluble fertilizer diluted to half strength. This pretty pink variety is a long lasting bloomer starting in spring and ending with the frost in. Commonly found all-purpose 10-10-10 fertilizer is the easiest to use. Proper hydrangea care will help your favorite summertime shrubs look their best. Leave about eight inches open at the top of the pot, then mix some high-phosphorus fertilizer into the soil. Bigleaf hydrangea is a woody, deciduous, perennial shrub in the hydrangea family (Hydrangeaceae) and is native to Japan, China, Korea, and Southeast Asia. Each lacy flower cluster is composed of small fertile flowers, and larger showy sterile blossoms that are subtended by showy. Water at the base of the plant slowly until the ground freezes. The main differences between the two are the size and the hardiness. "It's best to do this in the spring while the wood is still fresh and green. You may not need to prune panicle hydrangeas every season. Incorrect pH. Make sure the pot has drainage holes and has room for the plant to grow. To turn them pink, add garden lime. There are several types of white hydrangeas, each needing specific locations and care to perform best. macrophylla but is generally smaller, with a height and spread of 2-4 feet. Wait until a blossom begins to fade and die. Take the leaves off the bottom half of the cutting, leaving two to four on the top half. paniculata ). Dissolve 1 tablespoon of aluminum sulfate for blue. Plant in spring or autumn in moist soil that drains well. Selections like 'Annabelle' are stunning and produce huge flower clusters. Then place the hydrangea in. Name: Annabelle (Hydrangea arborescens. wide (150 cm). Remove the plant from its nursery pot and place it in the container. Despite the common name “French Hydrangea,” this species is native to Japan. Propagating Smooth Hydrangea. quercifolia) or climbing hydrangea (H. Plant in rich soil that is moist but well-draining. The petals are attached above the ovary and contain 4 united carpels (can be 2-5). Limit any drastic pruning to early spring, just before new growth emerges. Mature height is just one to two feet, with no pruning necessary. anomala ssp. Here’s how: One way is to make a small hole in the side of a 5-gallon bucket and fill with water. Firm the soil in around the rootball. macrophylla alone), hydrangeas find their way into most gardens in temperate climates. The flowers are borne above the handsome foliage of bright green, elliptic, slightly serrated leaves. The “ lacecap ” version of this species. This hardy hydrangea. Fungal leaf spots and powdery mildew are among the most common hydrangea diseases. Several cuttings can be rooted in one larger pot. Don’t let this petite shrub fool you. Oak-leaf hydrangeas. This will prevent weeds and maintain soil moisture. Opening creamy white in mid-summer, the florets turn to strawberry-pink as they age, before finally taking on rich pinkish-red tones as fall approaches. When soil pH is 6. But despite their ability to be rather large showstoppers in your yard, how to grow hydrangeas isn’t a question even the novice gardener will need to ask – these beauties all but grow themselves. Large and round, hydrangea flowers burst into rich pink, blue or purple shades beginning in summer, and hardy hydrangea shrubs can hold their blossoms well into fall. Smooth Hydrangea suckers freely, creeping over large areas. Gently take the plastic nursery pot off of your hydrangea and place the unpotted hydrangea back into the hole. Hydrangea serrata is native to the mountains of Korea and Japan, making it an excellent woodland plant or even a good option for a shaded rock garden. Climbing hydrangea is a handsome woody vine that clings and climbs by attaching itself with tiny rootlets to a wall, trellis, or other support. The occurrence of these toxins throughout the genus is poorly known, so other species of Hydrangea should be treated with caution and not consumed. By far the greatest species diversity is in eastern Asia, notably China, Korea, and Japan. tall and wide. The ‘Gatsby Gal’ is a popular oakleaf cultivar. A recent addition to the Endless Summer series, Hydrangea macrophylla Endless Summer® BloomStruck® is another exceptional mophead cultivar with medium-sized, rounded flower heads, up to 5 in. ; Hydrangea paniculata 'Limelight' grows 6 to 8 feet tall and 5 to 7 feet wide and has a greenish. It should be deep enough so that where the plant meets the soil is flush to the ground. Cut in the morning and be sure to remove all leaves from the stem. Hydrangea is a genus of flowering plants that belongs to the family Hydrangeaceae. 4. If your chosen hydrangea is a variety with large leaves, you can also trim the remaining two. 'Blushing Bride' looks. Each stem should be trimmed back to the nearest set of healthy buds, making each cut so that it slants away. . The oakleaf hydrangea grows well in places with very hot summers without too much moisture. Gardening Trees, Shrubs & Vines Shrubs The Best Types of Hydrangeas to Grow in Your Garden Whether you’re looking for the best hydrangea for full sun or all-season color, check out these perfect. Dig a hole twice as deep and as wide as the pot so the plant has enough room to grow. Every hydrangea is different. Florists control the flower color of potted hydrangeas by controlling the soil mix. Grow in full sun to partial shade in rich, moist soil. [1] Like other Hydrozoans they are colonial. This hydrangea species loves the sun, whereas the rest prefer partial shade. One of the more decorative varieties, Mirandas can grow up to 50 feet tall and six feet wide. Then place at the base of the plant for an hour or so. 2. For pink flowers, the plants need neutral to alkaline soils (pH 6. Method 3. The colorful flower petals are actually sepals, modified leaves, while the fertile flowers are much smaller and hidden inside. Cuttings are the best way to propagate Limelight hydrangea, using a stem from the plant that's cut right above the leaf node, so you get stem and leaf in it, Hogan says. It produces blooms in a multitude of show-stopping displays of pinks, blues, and everything in between. How to Prune An Endless Summer Hydrangea. The blooms are cone-shaped and can be single or double. It can tolerate harsh winters and is a good substitute for Mophead Hydrangeas or Hydrangea macrophylla. The panicle variety of hydrangea likes a lot more sunlight, full sunlight for most of the day so if this is the variety you want to grow, the best position for the plant would be facing regular sunlight. 5 or lower (acidic soil), your Bigleaf hydrangeas will be blue. Held on sturdy, strong stems, the blossoms emerge creamy-white and age to a vivid raspberry pink as the season progresses. ) are popular flowering shrubs in Maryland gardens that are easily recognizable by their big blue, pink or white flower heads. Hydracyanosides, a group of toxic cyanogenic glycosides, have been isolated from the leaves of Hydrangea macrophylla. Planting hydrangeas in pots: Use a bagged potting mix rather than garden soil. arborescens, and hemlock as its alternate host. Hydrangeas are some of the more beautiful garden shrubs, exhibiting big billowy blooms that come in various shades of pink, blue, purple, white and even green. 5 pH, will favor blue flowers by allowing the hydrangea to absorb more aluminum. Another beautiful variety, Hydrangea quercifolia is typically tolerant of more shade, but ‘Gatsby Gal’ is a sun lover. Trim an inch off the ends of the stems and submerge wilted flowers in a bucket, bowl or sink filled with cool water. Take a stem cutting around 5cm long that has a plump bud, and treat as above. Buy Online. Remove all leaves. The lacecap flowers become numerous once this plant is established. To use the soap, stir together 2 parts hot water and 1 part glycerin in a vase. Hydrangea paniculata 'Big Ben' grows 6 to 8 feet tall and 5 to 7 feet wide and is valued for having flowers of a deeper pink color. Keep the area watered. It blooms about a month earlier than any other cultivars of Hydrangea paniculata, starting in early to mid-summer depending on the local climate, and continuing throughout the summer and into the fall. Dig a hole 2 feet wider than the root ball and as deep as the root ball, so it sits level with or slightly higher than the soil in order to encourage drainage. hydrangea. It will grow only 3 to 4 feet wide and 4 to 5 feet tall, but what it lacks in size it makes up for in vibrant, showy blooms throughout the season. Its leaves add fall interest when they transform to lush shades of mahogany and purple. Mulch in spring to improve soil moisture. ; Oakleaf hydrangeas, Hydrangea quercifolia: This native. Plus, the blooms look absolutely beautiful in a. serrata. Avoid these by spacing plants to allow for air circulation and avoid getting the leaves wet, especially late in the day. The blooms age to an array of pink, red, and burgundy which persists through frost for months. Hydrangea varieties. Name: Begonia ( Begonia) USDA Hardiness Zones: 6-9. H. Planting. Click below on a thumbnail map or name for species profiles. Cut off a small branch. Native to Asia, Hydrangea anomala subsp. Oakleaf Hydrangea – If you live in an arid part of zone 9, such as California, the oakleaf hydrangea is a good choice. Phosphorus is the middle number, so a fertilizer labeled 10-20-10 will do. Best Types of Hydrangea for Cold-Climates . It will help you keep the plant thriving long term. Ralph Lee Anderson.