Isu Tree

Distylium myricoides

$23.00

| Hardiness Zones 7-9

This evergreen Witchhazel relative is similar to D. racemosum (which see). It becomes a small tree. It was introduced by the Arnold Arboretum from a collection they made in China.

Photo credit to Scott A.

Pickup available at Aiken Nursery

Usually ready in 2-4 days

PLANT DETAILS

Hardiness Zones: 7 - 9

Soil: Well-drained

Sun: Full Sun and Part Shade

Seasonal Behavior: Evergreen

Growth Rate: Moderate

Height at Maturity: 3 - 5 Feet

Spread at Maturity: 3 - 5 Feet

Flower Structure: Produces small, red flowers that are not particularly showy but add a subtle charm.

Blooming Season: Blooms in late winter to early spring.

Color: The flowers are red, creating a contrast with the dark green to bluish-green foliage. The foliage is evergreen, providing year-round interest.

red, spring

Light Requirements: Prefers full sun to partial shade. For optimal growth and flowering, ensure the plant receives at least 4-6 hours of direct sunlight daily. While it can tolerate partial shade, full sun ensures the best growth and foliage color.

Soil Requirements: Thrives in well-draining soil. It prefers slightly acidic to neutral pH (6.0-7.0). Incorporating organic matter such as compost can improve soil fertility and structure. It can tolerate a variety of soil types, including loamy, sandy, and clay soils, as long as they are well-draining.

Watering: Requires moderate watering. Keep the soil consistently moist but not waterlogged. Water deeply to ensure the root zone is adequately hydrated. Once established, it can tolerate short periods of drought but performs best with regular watering during dry periods.

Temperature and Humidity: Hardy in USDA zones 7-9. Prefers moderate temperatures and can tolerate a range of humidity levels. It is adaptable to various climates within its hardiness zones but should be protected from extreme cold.

Fertilization: Apply a balanced, slow-release fertilizer in early spring to support healthy growth and flowering. An additional application of compost or well-rotted manure can enhance soil fertility. Avoid over-fertilizing, as this can lead to excessive foliage growth at the expense of flowering.

Pruning: Prune in late winter or early spring to remove dead or damaged branches and to shape the plant. Light pruning helps maintain a tidy appearance and promotes better air circulation. Regular pruning encourages a denser growth habit.

Pests and Problems: Generally pest-resistant and not prone to serious diseases. Ensure good air circulation to prevent fungal diseases. If pests such as aphids or scale insects are detected, treat with insecticidal soap or neem oil. Regularly inspect the plant for any signs of disease or pest infestation.

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