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Posted 12/23/2022 in Vine

Hydrangea anomala subsp. petiolaris

Hydrangea anomala subsp. petiolaris: The Enchanting Climbing Hydrangea

Hydrangea anomala subsp. petiolaris, commonly known as the Climbing Hydrangea, is a captivating and versatile plant that brings a touch of elegance and charm to any garden. Native to the woodlands of Asia, this hydrangea species is renowned for its ability to climb and cling to surfaces, making it a unique and valuable addition to landscapes.

Description of the Plant and Flowers of Hydrangea anomala subsp. petiolaris

The Climbing Hydrangea is a deciduous vine that can reach impressive heights of up to 30 to 50 feet when provided with adequate support. Its growth habit is both vigorous and graceful, characterized by its ability to adhere to walls, fences, and trees using aerial rootlets. The dark green, heart-shaped leaves provide a lush, dense cover throughout the growing season, turning a lovely yellow in the fall.

One of the most striking features of Hydrangea anomala subsp. petiolaris is its stunning floral display. From late spring to early summer, the plant produces large, flat-topped clusters of delicate white flowers, known as corymbs. These corymbs can measure up to 8 inches across and are composed of both fertile and sterile florets. The outer sterile florets, which are larger and showier, form a lace-like border around the smaller, fertile florets in the center. This arrangement creates a beautiful contrast and adds to the overall visual appeal of the plant.

Value in the Landscape of Hydrangea anomala subsp. petiolaris

Climbing Hydrangea is a highly valued plant in the landscape for several reasons:

  1. Versatility: Its ability to climb and cover various structures makes it an excellent choice for vertical gardening. It can be used to adorn walls, trellises, pergolas, and arbors, providing vertical interest and a sense of lushness.

  2. Shade Tolerance: Unlike many other flowering plants, Climbing Hydrangea thrives in shady areas. It can brighten up north-facing walls and shaded garden corners, making it a versatile option for challenging spots in the garden.

  3. Low Maintenance: Once established, Climbing Hydrangea requires minimal care. It is relatively pest-resistant and disease-free, and its slow to moderate growth rate means it does not require frequent pruning.

  4. Seasonal Interest: The plant offers year-round interest with its lush foliage, beautiful summer flowers, and attractive exfoliating bark that provides winter texture.

Interesting Facts About Hydrangea anomala subsp. petiolaris

  • Slow Starter: Climbing Hydrangea is known for its slow initial growth. It may take a few years to become established, but once it does, it grows more vigorously and can cover large areas effectively.

  • Longevity: This hydrangea is a long-lived plant, often thriving for several decades with proper care.

  • Fragrance: The flowers of Climbing Hydrangea are mildly fragrant, adding an additional sensory dimension to its appeal in the garden.

  • Wildlife Friendly: The plant attracts a variety of pollinators, including bees and butterflies, which are drawn to its nectar-rich flowers. Additionally, birds may use the dense foliage for nesting.

  • Historical Use: In traditional Asian medicine, parts of the plant were used for their medicinal properties, although it is not commonly used for this purpose today.

Hydrangea anomala subsp. petiolaris is a remarkable plant that brings beauty, structure, and ecological value to any garden. Whether used to create a living wall, provide a lush backdrop, or add seasonal interest to shaded areas, this climbing hydrangea is sure to enchant gardeners and visitors alike. Its unique characteristics and low maintenance requirements make it a delightful choice for both novice and experienced gardeners.

Other Plants You May Be Interested In:

Nepeta racemosa 'Walker's Low'

Amelanchier canadensis

9e94b05793e12650cd101c0416af38e51b86ecca
About RightPlantz - RightPlantz is your go-to source for all things gardening. RightPlantz grows better gardeners.

Post Details

Latin Name
Hydrangea anomala subsp. petiolaris
Common Name
Climbing Hydrangea
Planting Zone
Zone 4 Zone 5 Zone 6 Zone 7 Zone 8
Light Condition
Part Shade Full Shade
Leaf Type
Deciduous
Special Interest
Attracts Butterflies
Bloom Season
Summer
Flower Color
White
Height
30-50 ft
Spread
5-6 ft
Suggested Uses
Shade Garden Cottage Garden Pollinator Garden Formal Garden
Potential Pests
The following are potential pest problems for Hydrangea anomala subsp. petiolaris: Aphids Scale insects Spider mites Leaf spot Powdery mildew, Rust, Root rot, Hydrangea scale, Japanese beetles, Slugs and snails

Plant Story

Hydrangea anomala subsp. petiolaris: The Enchanting Climbing Hydrangea

Hydrangea anomala subsp. petiolaris, commonly known as the Climbing Hydrangea, is a captivating and versatile plant that brings a touch of elegance and charm to any garden. Native to the woodlands of Asia, this hydrangea species is renowned for its ability to climb and cling to surfaces, making it a unique and valuable addition to landscapes.

Description of the Plant and Flowers of Hydrangea anomala subsp. petiolaris

The Climbing Hydrangea is a deciduous vine that can reach impressive heights of up to 30 to 50 feet when provided with adequate support. Its growth habit is both vigorous and graceful, characterized by its ability to adhere to walls, fences, and trees using aerial rootlets. The dark green, heart-shaped leaves provide a lush, dense cover throughout the growing season, turning a lovely yellow in the fall.

One of the most striking features of Hydrangea anomala subsp. petiolaris is its stunning floral display. From late spring to early summer, the plant produces large, flat-topped clusters of delicate white flowers, known as corymbs. These corymbs can measure up to 8 inches across and are composed of both fertile and sterile florets. The outer sterile florets, which are larger and showier, form a lace-like border around the smaller, fertile florets in the center. This arrangement creates a beautiful contrast and adds to the overall visual appeal of the plant.

Value in the Landscape of Hydrangea anomala subsp. petiolaris

Climbing Hydrangea is a highly valued plant in the landscape for several reasons:

  1. Versatility: Its ability to climb and cover various structures makes it an excellent choice for vertical gardening. It can be used to adorn walls, trellises, pergolas, and arbors, providing vertical interest and a sense of lushness.

  2. Shade Tolerance: Unlike many other flowering plants, Climbing Hydrangea thrives in shady areas. It can brighten up north-facing walls and shaded garden corners, making it a versatile option for challenging spots in the garden.

  3. Low Maintenance: Once established, Climbing Hydrangea requires minimal care. It is relatively pest-resistant and disease-free, and its slow to moderate growth rate means it does not require frequent pruning.

  4. Seasonal Interest: The plant offers year-round interest with its lush foliage, beautiful summer flowers, and attractive exfoliating bark that provides winter texture.

Interesting Facts About Hydrangea anomala subsp. petiolaris

  • Slow Starter: Climbing Hydrangea is known for its slow initial growth. It may take a few years to become established, but once it does, it grows more vigorously and can cover large areas effectively.

  • Longevity: This hydrangea is a long-lived plant, often thriving for several decades with proper care.

  • Fragrance: The flowers of Climbing Hydrangea are mildly fragrant, adding an additional sensory dimension to its appeal in the garden.

  • Wildlife Friendly: The plant attracts a variety of pollinators, including bees and butterflies, which are drawn to its nectar-rich flowers. Additionally, birds may use the dense foliage for nesting.

  • Historical Use: In traditional Asian medicine, parts of the plant were used for their medicinal properties, although it is not commonly used for this purpose today.

Hydrangea anomala subsp. petiolaris is a remarkable plant that brings beauty, structure, and ecological value to any garden. Whether used to create a living wall, provide a lush backdrop, or add seasonal interest to shaded areas, this climbing hydrangea is sure to enchant gardeners and visitors alike. Its unique characteristics and low maintenance requirements make it a delightful choice for both novice and experienced gardeners.

Other Plants You May Be Interested In:

Nepeta racemosa 'Walker's Low'

Amelanchier canadensis

9e94b05793e12650cd101c0416af38e51b86ecca
About RightPlantz - RightPlantz is your go-to source for all things gardening. RightPlantz grows better gardeners.

Special Care Instructions

Care Instructions for Hydrangea anomala subsp. petiolaris

Hydrangea anomala subsp. petiolaris, or Climbing Hydrangea, is a relatively low-maintenance plant once established, but it does require some specific care to thrive. Here are some key care instructions to ensure your Climbing Hydrangea remains healthy and beautiful:

Planting

  • Location: Choose a spot with partial shade to full shade. While Climbing Hydrangea can tolerate some sun, too much direct sunlight can scorch the leaves and reduce flowering.
  • Support: Provide a sturdy structure for the plant to climb, such as a wall, fence, trellis, or pergola. Ensure the structure can support the plant’s mature weight.
  • Soil: Plant in well-drained, fertile soil. Hydrangea anomala subsp. petiolaris prefers slightly acidic to neutral soil (pH 5.5-6.5).

Watering

  • Regular Watering: Keep the soil consistently moist, especially during the first few years after planting. Water deeply to encourage deep root growth.
  • Mulching: Apply a 2-3 inch layer of mulch around the base of the plant to retain moisture, regulate soil temperature, and suppress weeds. Avoid piling mulch directly against the stem to prevent rot.

Fertilizing

  • Balanced Fertilizer: In early spring, apply a balanced, slow-release fertilizer (10-10-10 or 14-14-14) to promote healthy growth and flowering.
  • Organic Matter: Incorporate compost or well-rotted manure into the soil to improve fertility and structure.

Pruning

  • Minimal Pruning: Climbing Hydrangea requires minimal pruning. Remove dead, damaged, or diseased wood in late winter or early spring before new growth begins.
  • Shape Maintenance: If necessary, lightly prune to shape the plant and control its size. Avoid heavy pruning as it can reduce flowering.

Pest and Disease Management

  • Pest Monitoring: Regularly inspect the plant for common pests such as aphids, scale insects, spider mites, and Japanese beetles. Treat infestations promptly with insecticidal soap or neem oil.
  • Disease Prevention: Ensure good air circulation around the plant to prevent fungal diseases such as leaf spot, powdery mildew, and rust. Water at the base of the plant to keep foliage dry.

Winter Care

  • Winter Protection: In colder climates, provide some protection from harsh winter winds by wrapping the base of the plant with burlap or mulch.
  • Exfoliating Bark: The bark naturally exfoliates in winter, providing visual interest. There’s no need to remove the peeling bark, as it’s part of the plant’s charm.

Training and Support

  • Initial Training: When first planting, gently tie young shoots to the support structure to guide their growth. Use soft ties to avoid damaging the stems.
  • Long-Term Support: As the plant matures, its aerial rootlets will attach to the support structure. Ensure the support is strong enough to handle the plant’s weight as it grows.

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