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Osmanthus delavayi Heaven Scent

Osmanthus delavayi Heaven Scent
Delavay Osmanthus, Delavay Tea Olive, Delavay's Osmanthus

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Thank you for correcting your listing on Osmanthus 'Heaven Scent' regarding the hardiness of this bush. You indicate that it can withstand temperatures as low as -17°C (1.4°F), which would put it at the same level of hardiness as Osmanthus heterophyllus. In fact, its hardiness does not exceed -9°C (15.8°F) as it is a type of Osmanthus delavayi. Thank you.

PHILIPPE, 26/01/2023

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This plant carries a 24 months recovery warranty

More information

Compact bush with fragrant winter flowering. Evergreen and adaptable to many types of soil, it will be perfect for small gardens and will find its place in hedges or in pots. 
Flower size
1 cm
Height at maturity
1.50 m
Spread at maturity
1 m
Exposure
Sun, Partial shade
Hardiness
Hardy down to -15°C
Soil moisture
Moist soil
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Best planting time March, October
Recommended planting time March to May, September to November
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Description

The 'Heaven Scent' Osmanthus is a compact bush with fragrant winter flowering. Evergreen and adaptable to the soil, it will be perfect for small gardens and will find its place in hedges or containers.

Osmanthus belongs to the Oleaceae family, which also includes other garden stars such as forsythias, lilacs, and ashes. Derived from a selection of Osmanthus delavayi, a Chinese species, Heaven Scent stands out for its compact habit; bushy, it will reach about 1.50 m (5ft) tall and 1 m (3ft) wide, and its growth is quite slow. Between February and March, it is covered with small white flowers with four petals, carried in the axils of the leaves, with a strong fragrance reminiscent of jasmine. This will perfume your garden in the middle of winter! You will therefore have every interest in placing the bush near a path or close to the house, in order to enjoy it during a period when you are usually less often outside. Heaven Scent also has small, evergreen, dark green, shiny and leathery leaves, slightly dentate, which allow for the composition of a compact evergreen hedge. Pruning after flowering will help to densify it for this purpose.

Being quite adaptable to its environment, Heaven Scent osmanthus will be satisfied with any good garden soil, not too heavy or too sandy, not too poor. Part shade or sun will suit it perfectly. It is not frost-sensitive (it can withstand up to -15°C, or even more), make sure to protect it from cold winds that would damage its foliage. Like all evergreens, also avoid exposing it to the east during freezing weather, the morning sun can damage the leaves by warming them up too quickly. Its compact habit allows it to be easily grown in containers.

It will create beautiful country hedges in the company of shrubs with similar growth, such as Philadelphus Belle Etoile, Abelia Edward Goucher, Berberis thunbergii, Buddleja Nanhoe Purple, Ceanothus Henri Desfossé, or even Deutzia Perle Rose. Vary the flowering times to obtain a colorful cloud throughout the year!

Osmanthus delavayi Heaven Scent in pictures

Osmanthus delavayi Heaven Scent (Foliage) Foliage
Osmanthus delavayi Heaven Scent (Plant habit) Plant habit

Plant habit

Height at maturity 1.50 m
Spread at maturity 1 m
Habit Irregular, bushy
Growth rate slow

Flowering

Flower colour white
Flowering time February to March
Inflorescence Cyme
Flower size 1 cm
Fragrance Very fragrant, jasmine
Bee-friendly Attracts pollinators

Foliage

Foliage persistence Evergreen
Foliage colour dark green

Botanical data

Genus

Osmanthus

Species

delavayi

Cultivar

Heaven Scent

Family

Oleaceae

Other common names

Delavay Osmanthus, Delavay Tea Olive, Delavay's Osmanthus

Origin

Cultivar or hybrid

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Planting and care

Place the Osmanthus Heaven Scent in full sun or partial shade, avoiding cold winds but providing good ventilation. It is a plant that loves heat and tolerates coastal conditions very well. Plant it in ordinary, rather light, fertile, moist but well-drained soil. It tolerates any type of soil, except very dry soil. It is sensitive to intense cold and stagnant humidity. It can be planted all year round, except during freezing periods. Osmanthus plants that are used for hedges, they should be spaced 80 cm (32in) to 1 m (3ft) apart. If you plant it in a container, a depth of 40 cm (16in) is required. Osmanthus is easy to grow, give it a generous watering at planting, i.e. once or twice a week, to encourage establishment. Afterwards, continue with regular watering. Prune the branches after flowering to maintain its compact and bushy habit. Additionally, pruning the base helps keep the soil moist. The bush tolerates severe pruning however, it takes two years for it to flower abundantly again.

Planting period

Best planting time March, October
Recommended planting time March to May, September to November

Intended location

Suitable for Woodland edge
Type of use Border, Back of border, Free-standing, Container
Hardiness Hardy down to -15°C (USDA zone 7b) Show map
Ease of cultivation Amateur
Planting density 1 per m2
Exposure Sun, Partial shade
Soil pH Any
Soil type Clayey (heavy), Silty-loamy (rich and light)
Soil moisture Moist soil, Well-drained soil

Care

Pruning instructions Prune the bush just after the flowering if you want to make it denser.
Pruning Pruning recommended once a year
Pruning time April
Soil moisture Moist soil
Disease resistance Good
Overwinter Can be left in the ground
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