Winged Loosestrife

Lythrumalatum

Family
Lythraceae (ly-THRAY-see-ee)
Genus
Lythrum (LY-thrum)
Species
alatum (a-LAY-tum)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
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)
Bloom Color
Pink
Lavender
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Very high moisture needs; suitable for bogs and water gardens
Foliage Color
Where to Grow
Grow outdoors year-round in hardiness zone
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Regional

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

Erie, Michigan

Frenchtown, New Jersey

Elizabeth City, North Carolina(2 reports)

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Gardener's Notes:

3
positives
1
neutral
0
negative
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C
ROSLINDALE, MA | October 2015 | positive

A beautiful plant native to N. America that looks much like L. salicaria (but not as tall). Those who wish to grow the handsome but ecolo...Read More

J
J
Palmyra, IL (Zone 5b) | January 2005 | neutral

This native plant should not be confused with Lythrum salicaria (Purple Loosestrife). The latter is an aggressive Eurasian plant that inv...Read More

F
Lutz, FL (Zone 9b) | December 2004 | positive

A woody, multi branched, slender stemmed shrub that can reach 6 feet tall. The flowers are pinkish purple with 6 crinkled lobes. In Flori...Read More

T
T
Murfreesboro, TN (Zone 7a) | January 2003 | positive

Not to be confused with L. salicaria, Winged Loosestrife is native to the United States and has hairles semmed with leaves that are alter...Read More

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