Stachys Species, Marsh Woundwort, Marsh Hedgenettle, Lamb's Ear

Stachyspalustris

Family
Lamiaceae (lay-mee-AY-see-ee)
Genus
Stachys (STAK-iss)
Species
palustris (pal-US-triss)
Synonym
Stachys aquatica
Stachys austriaca
Stachys maeotica
Stachys segetum
Stachys wolgensis
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Height
12-18 in. (30-45 cm)
Spacing
12-15 in. (30-38 cm)
15-18 in. (38-45 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)
USDA Zone 9a: to -6.6 °C (20 °F)
Danger
N/A
Bloom Color
Pink
Bloom Time
Mid Summer
Other Details
Category
Perennials
Ponds and Aquatics
Water Requirements
Very high moisture needs; suitable for bogs and water gardens
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
Seed Collecting
Regional

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

Aurora, Colorado

Wells, Maine

Brookfield, Wisconsin

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Gardener's Notes:

0
positive
0
neutral
3
negatives
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S
Aurora, CO | July 2015 | negative

Despite great attempts at eradicating, it is persistent in spreading to nearby area's to the pond in non-moist areas. Do not suggest anyo...Read More

J
J
Wells, ME (Zone 5a) | August 2013 | negative

Once established a very invasive, congestive growth plant around the pond, now moving into the drier lawn & woodland areas . Plant with ...Read More

T
St. John's, NL (Zone 5b) | February 2005 | negative

A noxious weed for sure, this one is taking over parts of St. John's, Newfoundland, especially damp depressions, streamsides and pond mar...Read More

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