Oenothera Species, Berlandier's Sundrops, Squarebud Primrose, Sundrops, Texas Primrose

Oenotheraberlandieri subsp. berlandieri

Family
Onagraceae (on-uh-GRAY-see-ee)
Genus
Oenothera (ee-no-THEE-ruh)
Synonym
Calylophus berlandieri
Oenothera berlandieri
Sun Exposure
Foliage
Evergreen
Herbaceous
Smooth
Height
6-12 in. (15-30 cm)
Spacing
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
Hardiness
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)
Bloom Color
Bloom Time
Late Winter/Early Spring
Mid Spring
Late Spring/Early Summer
Other Details
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Can be grown as an annual
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Regional

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

Ventura, California

Haiku, Hawaii

Raleigh, North Carolina

Arlington, Texas

Fort Worth, Texas

Garland, Texas

Helotes, Texas

Keller, Texas

Liberty Hill, Texas

Linden, Texas

San Antonio, Texas

Virginia Beach, Virginia

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Gardener's Notes:

2
positives
2
neutrals
0
negative
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G
San Diego, CA | June 2018 | neutral

I brought it home watered it in the pot they sold it in and it totally died...will it come back?

K
K
koa
Haiku, HI | September 2012 | positive

I LOVE this plant! I have a spot where nothing would grow. It is under a clump of fishtail palms which have very aggressive roots. It ...Read More

P
Keller, TX | May 2011 | positive

This plant grows in my full, blazing hot, west-facing garden... I planted two, gallon-size containers of this plant 3 yrs ago and they ha...Read More

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

Sundrops, Texas Primrose, Berlandier's Sundrops Calylophus berlandieri is Native to Texas and other States.

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