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Category: Ponds and Aquatics Tropicals and Tender Perennials
Height: 36-48 in. (90-120 cm) 4-6 ft. (1.2-1.8 m)
Spacing: 24-36 in. (60-90 cm) 36-48 in. (90-120 cm)
Hardiness: 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 Time: Mid Summer Late Summer/Early Fall Mid Fall
Foliage: Deciduous Herbaceous Smooth-Textured
Other details: May be a noxious weed or invasive Requires consistently moist soil; do not let dry out between waterings Very high moisture needs; suitable for bogs and water gardens
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
Seed Collecting: Allow pods to dry on plant; break open to collect seeds
On Aug 29, 2006, JeanneTX from Willis, TX (Zone 8b) wrote:
As usual I find Dave's Garden "Plant Files" invaluable..I had this pop up as a volunteer in my garden and had never seen it before..someone on a posting help me id it and I found it here....very pretty "wildflower"??...Jeanne
On Nov 10, 2005, htop from San Antonio, TX (Zone 8b) wrote:
Other common names for the shrubby water primrose, Mexican primrose willow (Ludwigia octovalvis) include false loosestrife, narrow-leaf water primrose, West Indian evening primrose and seedbox. It is native to Alabama, Florida, Georgia, Hawaii, Louisiana, Mississippi, North Carolina, Puerto Rico, South Carolina, Texas and the Virgin Islands. It grows in wet soils or the mud of ditches, fields and rice fields, as well as the edges of marshes, ponds and streams. The plants are often found in large colonies. It has a taproot and long lateral roots that run just under the soil surface.
It is an upright growing, shrubby perennial that has a round stem which is usually much branched. The lower stems are often woody with the upper stems being herbaceous. The short stalked, alternating leaves can be up to 6 inches long and 1 5/8 inches wide and are narrowed at both ends. The shrubby water primerose is a host plant for the water-primrose hornworm moth. The 1 5/8 to 2 inch, bright yellow, 4-petaled, 4-sepaled, stalked blooms appear from July through November from the upper leaf axils. The blooms are bisexual. The fruit are long, slender, erect, cylindrical, 4-sided, several ribbed pods that are up to 2 inches long. They are quite lovely and are often used in flower arrangements. These pods contain many seeds. The seeds are rounded, brown and shiny and are usually dispersed by water movement and ducks. The root and stem are said to promote diuresis, reduce fever and lower the blood pressure.
On Aug 7, 2004, trois from Santa Fe, TX (Zone 9b) wrote:
A very attractive marginal for pond background. Blooms all warm weather. Each petal is heart shaped. The leaves are slender and smooth. The stems are reddish. The entire plant is very attractive and draws favorable comments. On my lily pond it is forming a background on the east side of the pond, the other is framed by water Iris.
Regional...
This plant has been said to grow in the following regions:
Brandon, Florida North Bay Village, Florida Pembroke Pines, Florida Brunswick, Georgia Latimer, Mississippi Maricao, Puerto Rico Fort Worth, Texas Garland, Texas Longview, Texas San Antonio, Texas Santa Fe, Texas Willis, Texas
