Desert Willow

Tree

Desert Willow

Chilopsis linearis

Also known as: Desert Catalpa, Flowering Willow

Tree Bignoniaceae OrnamentalPollinatorWildlife AttractorShade ProviderErosion ControlBorder Plant
Hardiness Zone
7-11
Ideal Temp
60–105°F
Survives Down To
0°F
Life Cycle
Perennial

Desert willow (*Chilopsis linearis*) is not a true willow but a heat-loving small tree from southwestern stream sides and arroyos, famous for orchid-like pink-to-lavender trumpet flowers and long, narrow willow-like leaves. It typically grows 15–25 feet tall with an open, airy canopy, sometimes multi-trunked. In subtropical and tropical Americas it performs best in full sun with fast drainage—think berms, gravel mulch, and no standing water after summer downpours. 🌞💧 **Sun and Water Requirements:** Full sun for maximum bloom. Deep, infrequent watering beats shallow daily sprays; established trees tolerate drought but look lusher with occasional soak. Root rot is the main killer in humid climates—elevate the root zone and avoid lawn sprinklers hitting the trunk. ✂️ **Methods to Propagate:** - **Seeds:** Collect long pods when dry; sow in warm, well-drained mix. Seedlings vary in flower color. - **Softwood cuttings:** Take green tips in warm weather, use rooting hormone, and keep high humidity until rooted. 🧑‍🌾 **Harvest / Best Use Timing:** For nursery or bonsai use, prune after the main spring–summer flush to shape size. Flowers are at peak in warm months; collect seed pods in late summer or fall when they split easily.

Good Neighbors
  • Agave
  • Yarrow
  • Texas Persimmon
  • Palo Verde
Known Threats — Organic Solutions Only
Aphids
Aphidoidea
Borers
Various (e.g., Cerambycidae, Sesiidae)
Willow Beetles
Chrysomelidae