GARDENIA augusta 'Crown Jewel'

Commonly known as Cape jasmine

Double white perfumed flowers. Frost hardy

GARDENIA augusta 'Crown Jewel'

Available Early Spring 2022 - Spring according to the Met office is defined as March 1st - May 31st. Therefore early spring is early March to mid-April. This is not a guaranteed date but an estimate and subject to availability.

£17.50 each

Available Early Spring 2022

1.5 to 2 Litre

Click to see photo

Details
Mature Size
Tips and Advice
Other Suggestions
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Evergreen
Ovate, elliptic or lance-shaped, glossy, deep green leaves to 10cm (4in) or more long usually carried in whorls of 3.
White
Height
1m (39in)
Spread
75cm (30in)
Medium shrub Typically grow to around 4-6 feet in height
Half hardy - unheated greenhouse / mild winter Hardy in coastal and relatively mild parts of the UK except in severe winters and a risk from sudden (early) frosts. May be hardy elsewhere with wall shelter or good micro-climate. Likely to be damaged or killed in cold winters. Plant can withstand temperatures down to -5°C (23°F)
Partial shade
Or light, dappled shade
Additional Features
Good to know - a good subject for a container in areas with cold winters. Can be moved into protection.
Pests & Diseases
under glass - whiteflies, stem and root mealybugs, grey mould
Place of origin
China, Taiwan, Japan
Flower Shape
Double Multi rows of petals, no stamen showing
Saucer-shaped
to 8cm (3in) across
Garden Location/Conditions
Greenhouse / conservatory Not the sort of plants to be grown outside where there are likely to be frosts. These plants need to be grown in a conservatory or cool greenhouse or at least brought inside for the winter - under glass use ericaceous compost in full light. Keep barely moist in winter. Might require restrictive pruning
Patio / pot plants
Suitable for small gardens
Hardiness
Frost hardy (down to -5)
Leaf margin
Entire see photos above
Leaf shape
Elliptic see photos above
Pruning group
Pruning group 6
Suitable for: Evergreen shrubs or climbers that need little to no pruning.
Action: Trim back shoots that spoil symmetry and to fit available space.
When: Annually after flowering if on previous year's growth, or in later Winter or Spring if flowering on current year's growth, or as requires.

RHS group 9 & 11
Scented Plants
Scented flowers
Seasonal Interest
Autumn
Summer
Soil Conditions
Fertile moist well-drained soil - humus-rich.
Neutral to acid soil