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lanceleaf loosestrife

Lysimachia lanceolata · Primulaceae

lanceleaf loosestrife (Lysimachia lanceolata)
Photo: Internet Archive Book Images · Public domain · via Wikimedia Commons

lanceleaf loosestrife (Lysimachia lanceolata) is a perennial herbaceous plant in the Primulaceae family. It is native to North America. USDA records it as hardy in zone 4 and warmer, down to about -23°F.

At a glance

Typeforb-herb USDA
Lifecycleperennial USDA
Native statusnative USDA
Mature height2.5 ft USDA
Lightshade USDA
Water needmedium USDA
Growth ratemoderate USDA
Soil pH5–7 USDA
BloomMay–June USDA
Flower colorPurple USDA
Hardiness zones4 and warmer USDA
Guild layerherb-layer Derived
Nursery availabilityNo Known Source USDA

USDA quoted from the USDA PLANTS database · Derived computed by a fixed rule from those columns. No value on this page is estimated.

Growing conditions

It tolerates full shade. USDA rates it as having moderate water needs. Its drought tolerance is rated medium. It is recorded on soils from pH 5 to 7 — a broad range that spans acidic through mildly alkaline ground. Its cold limit is zone 4.

Size and growth

At maturity it reaches about 2.5 ft, making it about knee height. It grows at a moderate rate.

Bloom period

USDA records a bloom period of May through June. Flowers are purple.

A flowering date, not a pollinator rating.

Foliage, flower and season

Summer foliage is green, medium in texture. Its flowers are conspicuous. Its fruit or seed heads are conspicuous, extending interest past flowering. Its active growth period is spring and summer. USDA rates its lifespan as moderate.

What the site needs to provide

USDA records it across sites receiving 32 to 55 inches of annual precipitation. It needs at least 120 frost-free days to finish its season. It roots to at least 10 inches. Fertility requirement: medium.

Propagating it

Propagate it from seed and sprigs. USDA records no cold-stratification requirement, so seed should germinate without a chilling period. Its seed spreads at a slow rate. It spreads vegetatively at a moderate rate.

Resilience and wildlife

Its fire tolerance is rated high. Its growth form is recorded as rhizomatous.

Role in a guild

Herb layer. In a layered planting this is the herbaceous middle — perennials and grasses that fill the space between ground cover and shrubs. The layer is derived by a fixed rule from growth habit and mature height.

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Tags

deciduousdrought-tolerantclay-tolerantsandy-soilspreadingnativeshade-tolerant

Related plants

Others in Lysimachia

Similar role and hardiness

Where this data comes from

Every value on this page comes from the USDA PLANTS database record for symbol LYLA, or is computed from those values by a fixed rule. Nothing here is estimated or model-generated. Where USDA publishes no value, this page omits the claim rather than filling the gap.

Read our full data sources and methodology.

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