Botanical Name: Calylophus hartwegii fendleri
Common Name: Fendler's Sundrops  
Plant photo of: Calylophus hartwegii fendleri
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Water Saving Tip:

Even though it's hot, your lawn only needs to be watered twice a week to stay healthy.

And don't water the whole lawn for a brown spot—drag out a hose.

  • Anatomy

  • Culture

  • Design

Plant Type



Height Range



Flower Color



Flower Season

Spring, Summer


Leaf Color

Green, Light Green


Bark Color



Fruit Color



Fruit Season



Full, Half



Very Low, Low


Growth Rate



Soil Type

Sandy, Clay, Rocky


Soil Condition

Average, Poor, Well-drained, Dry


Soil pH

Neutral, Basic


Adverse Factors


Design Styles

Meadow, Mediterranean, Ranch, Spanish, Native Garden


Accenting Features

Showy Flowers


Seasonal Interest

Spring, Summer, Fall


Location Uses

Perennial Border, Shrub Border, Foundation


Special Uses

Hedge, Small Spaces


Attracts Wildlife


Information by: Stephanie Duer
Photographer: Mountain States Nursery
  • Description

  • Notes

A spreading mound 2' tall and wide, Fendler's Sundrops had small green foliage that is lightly hairy, casting a soft grey tone. Yellow flowers are about 2" across and open in the morning, turning orange and pink as they fade. Blooms in the summer. Evergreen in the low desert, it will probably die back to the ground with a hard frost. Spreads by rhizomes.
Grow in full sun or some shade. Prefers good drainage, but otherwise is unparticular as to soil type. Cut back periodically to regenerate growth. Hardy to USDA Zone 6.