Dipterostemon capitatus
Dipterostemon capitatus · Asparagaceae
The gardener's calendar
Ideal time to plant dipterostemon capitatus: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Family
- Asparagaceae
- Type
- Bulbous plant
- Flowering
- Spring (April-May)
- Mature size
- 20 to 30 cm tall
- Foliage
- Deciduous
- Hardiness
- Moderate (zones 7-9)
- Origin
- California and Oregon (United States)
Care
Light Exposure
Install Dipterostemon capitatus in full sun or partial shade for optimal flowering. This plant appreciates well-lit locations, especially in late winter and spring. Avoid overly shaded areas that would reduce flowering.
Soil
Prefer well-draining soil, even poor or rocky, as this species dislikes waterlogging. Light, sandy, or gravelly substrate works perfectly. Improve drainage by adding sand or gravel if your soil is heavy.
Watering
Water moderately during the growing period (autumn-spring). Once established, the bulb tolerates drought and requires only natural rainfall. Drastically reduce watering in summer when the foliage disappears.
Fertilizing
Apply balanced or potassium-rich fertilizer at the start of vegetation. A single spring application is usually sufficient. Avoid excessive nitrogen inputs that would favor foliage at the expense of flowering.
Pruning and Maintenance
Let the foliage wither naturally after flowering before removing it, as it restores the bulb's reserves. No regular pruning is necessary. Simply clean up dry debris at the end of summer.
Diseases and Pests
This plant is generally sturdy and rarely prone to diseases. Watch for bulb rot in case of excessive moisture or waterlogging. A few pests (slugs, aphids) may affect it but rarely cause significant damage.
Did you know?
Dipterostemon capitatus, formerly called Brodiaea capitata, was used by California's indigenous peoples who consumed its bulbs. Its current scientific name, Dipterostemon, means "winged stamens," referring to the particular botanical structures of its delicate, compact flowers.
Where to buy it
Plant the bulbs in autumn for spring flowering. Pick a plant with healthy foliage and roots that are not exposed. Best time: from September to November.
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Tips generated and checked by Viridia — adapt them to your local climate.