Desert Willow

Chilopsis linearis

Native to:
Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Bignoniaceae
Genus:
Chilopsis
Species:
Chilopsis linearis
USDA Symbol:
CHLI2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Tree
Height:
900 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may,jun,jul,aug,sep
Bloom Colors:
pink, purple, white, lavender
Landscaping Shrub:
Yes

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★★☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Hummingbirds:
★☆☆☆☆ Documented hummingbird visits (GBIF)

Host Plant for Caterpillars

Eucaterva variaria, Iris eyed silkmoth (Automeris iris), Olceclostera seraphica, Rustic Sphinx (Manduca rustica), Satole ligniperdalis, Wavy-lined Emerald (Synchlora aerata)

Reported Fauna Sightings

Bees: Anthophora urbana, Bombus californicus, Bombus sonorus, ⚠️Western honey bee (Apis mellifera), Xylocopa californica, Xylocopa sonorina Hummingbirds: Allen's Hummingbird (Selasphorus sasin), Anna's Hummingbird (Calypte anna), Calypte Gould, Costa's Hummingbird (Calypte costae), Lucifer Sheartail (Calothorax lucifer), Ruby-throated Hummingbird (Archilochus colubris), Rufous Hummingbird (Selasphorus rufus), Selasphorus Swainson Moths:Eucaterva variaria, Rustic Sphinx (Manduca rustica), White-lined sphinx moth (Hyles lineata)

Garden & Ecology Notes

Wildlife Value:
hummingbirds, bees, butterflies
Deer Resistant:
Yes
Fragrant:
Yes
Fall Color:
yellow
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from the root crown following fire or severe pruning.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
Thrives in arid and semi-arid regions

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds germinate readily without pretreatment. Requires warm temperatures around 70-75°F.

The above propagation data sourced from Claude AI

Pre-treatment: None required

Establishment: Seeds are collected when pods have matured and begin to split open. Germination rates may decrease with increasing storage times.

Source: npn.rngr.net

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months. Requires darkness.

Source: Ontario Rock Garden & Hardy Plant Society