Lavauxia Species, Stemless Evening Primrose

Lavauxiatriloba

Family
Onagraceae (on-uh-GRAY-see-ee)
Species
triloba (try-LO-buh)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Deciduous
Herbaceous
Smooth
Height
under 6 in. (15 cm)
Spacing
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
Hardiness
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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Bloom Color
Pale Yellow
Bloom Time
Late Winter/Early Spring
Other Details
Category
Annuals
Biennials
Groundcovers
Water Requirements
Foliage Color
Blue-Green
Where to Grow
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
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; direct sow after last frost
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:

Oak Lawn, Illinois

Lowell, Indiana

Barbeau, Michigan

Laingsburg, Michigan

Lanse, Michigan

Warren, Michigan

Wayne, Michigan

Madbury, New Hampshire

North Tonawanda, New York

Salter Path, North Carolina

Maumee, Ohio

Cambridge Springs, Pennsylvania

Erie, Pennsylvania

Austin, Texas

Dallas, Texas(2 reports)

Dripping Springs, Texas

Fort Worth, Texas

Hondo, Texas

Kerrville, Texas(2 reports)

Lorena, Texas

San Antonio, Texas(3 reports)

Santo, Texas

Spring Branch, Texas

Hustisford, Wisconsin

Waukesha, Wisconsin

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Gardener's Notes:

8
positives
0
neutral
0
negative
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D
BARBEAU, MI | January 2013 | positive

This plant was raised in my Mothers garden, with great success from the early 1950's to the late 1990's when she passed away. She gardene...Read More

K
Wayne, MI | July 2012 | positive

I've had this plant in my flower bed for about 15 years now. Fun to watch open, have shared the experience with many people, including f...Read More

H
H
Lake Dalecarlia, IN | March 2012 | positive

This plant is totally hardy in NW Indiana. My original one survived over winter in 2002 outside in a 4 inch pot. This is one of the coole...Read More

N
Raleigh, NC (Zone 7b) | June 2011 | positive

Appeared at the edge of my sound front lawn here on Bogue Banks after I put drip line in. Grew amazingly fast. Four pale yellow petals ap...Read More

V
V
Laingsburg, MI | October 2010 | positive

i have at this plant for years in the middle of michigan. we have cold winters and it comes back every year. it is so imteresting to watc...Read More

A
Calgary, AB (Zone 3b) | March 2008 | positive

Hardy in zone 3; fascinating to watch the flowers open at dusk. Seeds are embedded at ground level in the base of the plant, as the flow...Read More

S
Erie, PA | July 2007 | positive

I love this plant. As children, my siblings and I used to wait and watch the flowers open every summer. I was thrilled to find it again...Read More

H
H
San Antonio, TX (Zone 8b) | March 2007 | positive

Stemless Evening Primrose (Oenothera triloba) is a native plant and is a threatened species in Kentucky. It has become extinct in Indian...Read More

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