Botanical Name: Calylophus hartwegii
Common Name: Sun drops
Type of Plant: dicot: perennial
 
Habit of Growth:
Overall Shape low, spreading perennial with fine textured foliage and bright yellow flowers held above; spreads by rhizomes
Height to 18"
Spread to 3'
Growth Rate moderate
 
Environment:
Exposure outdoors full sun to partial shade, likes hot dry locations
Soil needs excellent drainage
Hardiness hardy: zones 1-3, 6-16, 18-24
 
Morphology:
Leaves linear, 2-3" long, to 1/2" across, dark green
Flowers 4-petaled bright yellow flowers to 3" across
Fruit tiny capsule
 
Propagation:
seed, division
 
Usage:
groundcover used in very dry areas with excellent drainage; often used in desert landscapes, dry slopes, mixed with cactus or succulents
 
Landscape Care:
Watering very little needed; very drought tolerant
Fertilizing none required
Pruning head back in spring before new growth begins
Pests/Diseases root rot where drainage is insufficient
Special Conditions/Other
 
Origin: Southwestern United States
Family: Onagraceae

Notes:
 
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