perennial

Yellow Loosestrife

Lysimachia punctata

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Essentials

At a Glance

Plant Type

Perennial

Height

30 inches

Width

30 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Europe

Toxicity

Non-toxic

The Story

Plant Bio

Lysimachia punctata, commonly known as yellow loosestrife, is a perennial plant noted for its vibrant yellow flowers and ability to thrive in moist soils. It is particularly valued for its spreading habit, making it useful for filling garden spaces and stabilizing soil.

Uses & Benefits:

Lysimachia punctata offers bright yellow foliage and flowers, adding vibrant color to shaded or sunny garden spots.

Its groundcover nature helps suppress weeds and retain soil moisture.

Provides nectar for pollinators and habitat for beneficial insects.

Marketplace

Where to Buy

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Planting

How to Grow

Tuck seeds into moist soil in early spring for best germination.
Mist cuttings regularly to maintain humidity during rooting.
Plant in well-drained soil with partial shade for optimal growth.
Water consistently, especially during dry spells in summer.
Apply a balanced fertilizer in spring to promote healthy foliage.
Divide clumps every 2-3 years to rejuvenate the plant.

Pro Tip

Use organic compost to enrich soil and encourage lush growth.

Keep It Thriving

Care Guide

Do

Water deeply during dry periods 🌱
Prune after flowering to shape the plant
Mulch to retain soil moisture

Don't

Avoid overwatering which can cause root rot ❌
Don’t fertilize in late fall
Refrain from heavy pruning in winter

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Divide
Plant
Prune
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Bright yellow groundcover with vibrant foliageBorder plant for shaded garden beds

Companion Plants

Hosta Ferns Astilbe Heuchera

Multiply

Propagation Methods

Good to Know

Common Questions

Yellow Loosestrife questions

What zones can Yellow Loosestrife grow in?

Yellow Loosestrife is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Yellow Loosestrife deer resistant?

Yes — Yellow Loosestrife is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Yellow Loosestrife bloom?

Yellow Loosestrife typically blooms in early to mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Yellow Loosestrife need full sun?

Yellow Loosestrife does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.