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Dwarf Sundrops

Calylophusserrulatus

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Calylophus serrulatus by Ally_UT
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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
Category
Alpines and Rock Gardens
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics

Unknown - Tell us

Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

Soil pH requirements

Unknown - Tell us

Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Gilbert, Arizona(2 reports)

Boise, Idaho

Cherry Valley, Illinois

Beatrice, Nebraska

Doniphan, Nebraska

College Station, Texas

Crawford, Texas

Garland, Texas

Rosenberg, Texas

Santaquin, Utah

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Gardener's Notes:

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2
positives
1
neutral
0
negative
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T
T
Theresa
Marine City, MI (Zone 5a) | June 2009 | positive

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

K
K
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

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

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

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