Desert willow
Chilopsis linearis · Bignoniaceae
📷 Stan Shebs · CC BY-SA 3.0
The gardener's calendar
Desert willow is in full bloom: enjoy it, watch watering in hot weather and let spent flowers feed pollinators before pruning.
ID card
- Foliage
- Deciduous
- Flowering
- June to September
- Adult height
- 6 meters
- Form
- Small tree
- Growth
- Moderate to fast
- Hardiness
- Low hardiness, warm and dry climates
- Origin
- Deserts of the southwestern United States
✓ Taxonomy verifiedSource: AI estimate · hardiness: reliability medium.
Expert tips
The key tip
Chilopsis linearis loves dry and hot conditions: water sparingly in summer once established, it thrives on rainfall alone. Stake or trellis to direct vertical growth, otherwise it sprawls horizontally.
The common mistake
Watering it like a regular tree: too much water slows growth and can rot the roots.
The pro's trick
Prune lightly after flowering (September) to densify foliage and extend blooms.
Care
Sunlight
Your chilopsis needs a location in full sun to bloom abundantly. A minimum of 6 to 8 hours of direct sunlight per day is recommended. Avoid shaded areas that would reduce flowering and encourage legginess.
Watering
Adjust your watering to the season: regular but moderate during growth (spring-summer), and very reduced or almost none in winter in temperate regions. In dry climates, drip irrigation adapted to root depth limits waste. Let the soil dry between waterings to prevent root suffocation.
Soil and Drainage
Choose very well-draining, light and poor soil, ideally sandy or gravelly. A poor substrate echoes its desert origins and prevents diseases linked to excess moisture. Amend with sand or gravel if your soil is too compact.
Pruning and Trimming
Light pruning after flowering helps you maintain a balanced and compact shape. Remove dead or damaged branches in late winter. Avoid severe pruning that weakens the structure and reduces next year's flowering.
Nutrition
Chilopsis is undemanding; a balanced fertilizer application in spring is generally sufficient. In very poor soil, supplement occasionally with light applications in summer. Avoid excess nitrogen, which favors foliage at the expense of flowers.
Diseases and Pests
In humid climates, watch for root rot linked to stagnant moisture: ensure flawless drainage. A few aphids or mites may appear in hot periods, manageable through water sprays or biological methods. Good air circulation prevents most fungal problems.
Did you know?
Chilopsis, nicknamed "Desert Willow" in English, flowers with delicate blooms reminiscent of orchids, in pink, white or purple hues depending on the varieties. Native to the arid desert zones of the southwestern United States and Mexico, this species has adapted to extreme conditions and embodies botanical resilience in the face of prolonged droughts.
Where to buy it
Best planted in autumn so the roots settle in before summer, or in early spring once the frost has passed. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, October, November.
Add this plant to my garden →Plants from the same family
- Trumpet vineCampsis radicans
- Black pouiJacaranda mimosifolia
- Northern catalpaCatalpa bignonioides
- Cape HoneysuckleTecomaria capensis
- Zimbabwe creeperPodranea ricasoliana
- Chinese Trumpet VineCampsis grandiflora
Tips generated and checked by Viridia — adapt them to your local climate.