Description: Prunus cerasifera 'Oakville Crimson Spire', commonly known as Oakville Crimson Spire Cherry Plum, is a deciduous tree known for its striking deep purple foliage and compact, upright growth habit. This cultivar is particularly valued for its ornamental appeal and suitability for small gardens, borders, and street planting.

Flowers:

• Blooms: Produces an abundance of small, pale pink to white flowers in early spring, usually before the leaves fully emerge. The blossoms are attractive to pollinators and create a stunning display.
• Fragrance: The flowers have a mild, pleasant fragrance.

Foliage:

• Leaves: Deep purple to burgundy, ovate leaves that retain their color throughout the growing season. The foliage provides a dramatic contrast to the flowers and green landscapes.
• Seasonal Color: The foliage maintains its rich color from spring through autumn, turning slightly darker before shedding.

Fruit:

• Fruit: Occasionally produces small, edible, dark red to purple plums in summer. While the fruit is edible, it is primarily grown for its ornamental value.

Form and Size:

• Size: Typically grows 4-6 meters tall and 2-3 meters wide, forming a narrow, upright, and columnar shape.
• Habit: Upright and compact with a dense crown, making it suitable for small spaces and urban planting.

Growing Conditions:

• Climate: Thrives in temperate climates, suitable for various regions in Australia. It can tolerate light frosts and urban pollution.
• Soil: Prefers well-draining, fertile soil but can adapt to a variety of soil types, including sandy and loamy soils. Avoid waterlogged conditions.
• Sunlight: Best grown in full sun to ensure robust growth and vibrant foliage color. Partial shade is tolerated but may reduce foliage intensity.
• Watering: Regular watering during the establishment phase is crucial. Once established, it benefits from consistent moisture, especially during dry periods.

Uses:

• Ornamental Tree: Highly valued as an ornamental tree for its stunning purple foliage and early spring flowers.
• Specimen Plant: Can be used as a standalone specimen plant in gardens and courtyards, where its form and foliage can be showcased.
• Street Tree: Suitable for planting along streets and avenues due to its upright form and minimal space requirements.
• Borders and Screens: Ideal for adding vertical interest and color to mixed borders and screens.

Maintenance:

• Pruning: Prune in late winter to early spring to maintain shape, remove dead or diseased wood, and promote air circulation. Regular pruning helps to maintain a strong structure.
• Fertilizing: Apply a balanced fertilizer in early spring to promote healthy growth and vibrant foliage color.
• Pests and Diseases: Generally resistant to many pests and diseases. Monitor for aphids, caterpillars, and fungal diseases, especially in humid conditions.

Notes:

• Hardiness: Hardy in USDA zones 5-9. In cooler regions of Australia, ensure protection from severe frost to prevent damage to flowers and young shoots.
• Companion Plants: Pair with other spring-flowering trees and shrubs, such as magnolias and camellias, to create a vibrant and colorful garden display.

Propagation: Propagate by grafting onto suitable rootstocks or by semi-hardwood cuttings in late summer.

Prunus cerasifera 'Oakville Crimson Spire' (Oakville Crimson Spire Cherry Plum)

Common Name: Oakville Crimson Spire Cherry Plum

Botanical Name: Prunus cerasifera 'Oakville Crimson Spire'

Family: Rosaceae

Origin: Cultivated variety of Prunus cerasifera

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