Trachymene coerulea Lace Heavenly Umbels
Trachymene coerulea Lace Heavenly Umbels
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Trachymene coerulea Lace Heavenly Umbels
Trachymene coerulea Lace Heavenly Umbels
Lace flower
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A remarkable annual summer-flowering plant for its finely cut, almost luminescent blue umbels which appear to float above finely chiselled foliage. With its slender and graceful habit, this variety does not tolerate frost and thrives in light, rich, well-drained soil, in sunny or partially shaded positions. Ideal for fresh cut flower arrangements, it enjoys mild environments and natural or romantic gardens. Sow preferably in May directly in situ.
Flower size
5 cm
Height at maturity
75 cm
Exposure
Sun, Partial shade
Germination time (days)
17 days
Sowing method
Direct sowing
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Sowing period
March to May
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Flowering time
June to September
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Description
Our Didiscus caeruleus 'Lace Heavenly Umbels' seeds will enable you to grow Blue Lace Flower, a distinctive annual plant particularly valued for its inflorescences in unique sky-blue, delicate umbels. Carried on slender, ramified stems, this ethereal flowering creates an airy floral structure perfect for lightening borders or creating contrasts in floral arrangements. It is easy to grow in sunny positions and in rich, well-drained soil with regular watering. Frost-sensitive, it is sown in spring after the last frosts and can be used both in pots and in open ground. Its delicate and contemporary style also appeals to florists for rustic cut flower and refined floral decorations.
The Didiscus caeruleus 'Lace Heavenly Umbels' is a horticultural variety of this annual from the Araliaceae family which ivy also belongs to. Native to Western Australia, but also found in Malaysia, New Caledonia, and Fiji, this plant is admired for its prolonged flowering from June-July until September. Its flat 5 to 6 cm wide umbels are formed of small, star-shaped, five-petal, soft sky-blue flowers with a subtle and captivating fragrance reminiscent of floral lace. It quickly develops an upright, ramified habit reaching 60 to 90 cm in height, while its light green, finely cut and concentrated foliage at the base remains discreet, thus fully highlighting the airy elegance of its inflorescences. The clump spreads to about 35 cm, contributing to its light and graphic appearance.
The Didiscus caeruleus 'Lace Heavenly Umbels' integrates elegantly into refined landscape designs. Its sky-blue, light and airy umbels add a touch of delicacy to borders and beds. To enhance its presence, pair it with plants featuring soft hues and varied textures. With its apricot-toned flowers, Cosmos bipinnatus 'Apricot Lemonade' creates a harmonious contrast. With its purple clusters and enchanting fragrance, Lathyrus odoratus 'Cupani' enhances the cottage garden feel. Lastly, with its airy white umbels, Ammi majus 'Casablanca' offers fine foliage that highlights the delicacy of the Didiscus.
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Trachymene coerulea Lace Heavenly Umbels in pictures
Trachymene coerulea Lace Heavenly Umbels (Flowering)
Flowering
Flower colour
blue
Flowering time
June to September
Inflorescence
Umbel
Flower size
5 cm
Fragrance
slightly scented
Bee-friendly
Attracts pollinators
Good for cut flowers
Cut flower blooms
Foliage
Foliage persistence
Annual
Foliage colour
green
Plant habit
Height at maturity
75 cm
Spread at maturity
35 cm
Growth rate
very fast
Botanical data
Genus
Trachymene
Species
coerulea
Cultivar
Lace Heavenly Umbels
Family
Araliaceae
Other common names
Lace flower
Botanical synonyms
Didiscus caeruleus Lace Heavenly Umbels
Origin
Cultivar or hybrid
Product reference
•
24508
Planting and care
Didiscus caeruleus Lace Heavenly Umbels seeds are ideally sown in spring once all risk of frost has passed. Between mid-March and mid-May, depending on your local climate.
Soil preparation: this plant prefers well-drained soil and a sunny position. Prepare the soil by lightly forking it and removing weeds and debris.
Sowing: Sow the seeds directly in open ground, as this plant dislikes being transplanted. Scatter them lightly over the soil surface, then cover with a thin layer of soil. Do not bury them too deeply as they need light to germinate.
Watering: Keep the soil evenly moist until germination, which should occur within 15-20 days. Regular but moderate watering is recommended.
Thinning: When the seedlings have several leaves, thin them out, leaving about 30 cm between each young plant to allow for full development.
Maintenance: Continue watering regularly, especially during dry periods. Although Didiscus caeruleus is relatively drought-resistant once established, keeping the soil cool promotes better flowering.
Flowering: You can expect to enjoy the first flowers approximately 90 days after sowing.
Sowing period
Sowing period
March to May
Sowing method
Direct sowing
Germination time (days)
17 days
Intended location
Suitable for
Meadow
Type of use
Border, Edge of border, Container
Ease of cultivation
Amateur
Exposure
Sun, Partial shade
Soil pH
Neutral
Soil moisture
Moist soil, light, rich
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
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The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:
- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.