Texas Primrose

Calylophus drummondii

A profusion of bright yellow buttercup-shaped flowers cover this hardy, low growing perennial in spring and summer. Blooms open in the evening, accenting the dark green, fine textured foliage. Thrives in heat and dry conditions. Makes an ideal choice for rock gardens and borders.
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Your climate might be too cold for this plant:


Full sun

Once established, water occasionally; more in extreme heat or containers.

We no longer grow this plant

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Botanical Pronunciationkal-ee-LOW-fus drum-AWN-dee-eye
Average Size at MaturityReaches only 6 in. tall, spreading to 36 in. wide.
Bloom TimeSpring and Summer
Deciduous/ EvergreenEvergreen
Flower AttributeLong Bloom Season, Showy Flowers
Flower ColorYellow
Foliage ColorGreen
Garden StyleContemporary, Rustic
Growth HabitSpreading
Landscape UseBorder, Container, Rock Garden
Light NeedsFull sun
Special FeatureEasy Care
Water NeedsLow
Watering NeedsOnce established, water occasionally; more in extreme heat or containers.

Provide a well-drained soil in full sun. Follow a regular watering schedule during the first growing season to establish a deep, extensive root system. Watering can be reduced after establishment. Remove spent blooms for a neater appearance and to promote re-bloom.

This Plant's Growing Zones: 6-9

Your USDA Cold Hardiness Zone:

Your climate may be too cold for this plant