Skip to content
Skip to main content
PatternBase

Swamp Loosestrife

Decodon verticillatus, Lythraceae

Zones
3–9
Layer
Aquatic
Lifespan
Perennial
Growth
Moderate

Guild Roles

Beneficial Insect Habitat

Growing Conditions

Sun

Partial Sun (tolerated)Full Sun (preferred)

Water

High

Soil pH

5.5 – 7

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Copper IrisIris fulva
Pollinator SharingBeneficial Insect Habitat
American Water-WillowJusticia americana
Pollinator SharingBeneficial Insect Habitat
Lizard's TailSaururus cernuus
Pollinator SharingBeneficial Insect Habitat

Antagonistic Plants

Water HyacinthEichhornia crassipes

Water hyacinth can shade swamp loosestrife and may inhibit growth through allelopathic compounds

Uses

Functions

Erosion ControlWildlife Habitat

Common Questions

What zones does Swamp Loosestrife grow in?

Swamp Loosestrife grows in USDA hardiness zones 3 through 9.

What are good companion plants for Swamp Loosestrife?

Good companions for Swamp Loosestrife include Copper Iris, American Water-Willow, Lizard's Tail.

Design guilds with Swamp Loosestrife and see companion relationships visually.

Try PatternBase free