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Dwarf Sundrops

Calylophusserrulatus

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Family

Onagraceae (on-uh-GRAY-see-ee)

Info

Genus

Calylophus (kal-ee-LOW-fus)

Info

Species

serrulatus (ser-yoo-LAY-tus)

Info

Synonym

Sun Exposure

Full Sun

Foliage

Herbaceous

Height

12-18 in. (30-45 cm)

Spacing

12-15 in. (30-38 cm)

Hardiness

USDA Zone 4a: to -34.4 °C (-30 °F)

USDA Zone 4b: to -31.6 °C (-25 °F)

USDA Zone 5a: to -28.8 °C (-20 °F)

USDA Zone 5b: to -26.1 °C (-15 °F)

USDA Zone 6a: to -23.3 °C (-10 °F)

USDA Zone 6b: to -20.5 °C (-5 °F)

USDA Zone 7a: to -17.7 °C (0 °F)

USDA Zone 7b: to -14.9 °C (5 °F)

USDA Zone 8a: to -12.2 °C (10 °F)

USDA Zone 8b: to -9.4 °C (15 °F)

USDA Zone 9a: to -6.6 °C (20 °F)

USDA Zone 9b: to -3.8 °C (25 °F)

Danger

N/A

Bloom Color

Bright Yellow

Bloom Time

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Other Details

Gardener's Notes:

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positives

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negative

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Theresa

Marine City, MI (Zone 5a) | June 2009 | positive

Interesting foliage plant. Flowers open at dusk/dark, sometimes called vampire plant.

KSBaptisia

Beatrice, NE (Zone 5b) | May 2008 | positive

Great plant for hot and dry spots. It develops a nice little mounded form and will be covered with yellow flowers for most of the summer...Read More

frostweed

Josephine, Arlington, TX (Zone 8a) | March 2007 | neutral

Dwarf Sundrops Calylophus serrulatus is Native to Texas and other States.

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