perennialN. America Native

Tufted Evening Primrose

Oenothera caespitosa

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Essentials

At a Glance

Plant Type

Perennial

Height

6 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Low

Humidity

Dry to moderate

Lifespan

Perennial

Native To

Western North America

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Oenothera caespitosa, commonly known as tufted evening primrose, is a low-growing, stemless perennial that forms a rosette of leaves and produces large, fragrant, white flowers that open at dusk and fade to pink. This species is known for its large, nocturnal, fragrant white flowers and its ability to thrive in poor, dry, and sandy soils. It is an excellent choice for rock gardens and xeriscaping.

Uses & Benefits:

Features delicate, bright yellow blooms that add a cheerful touch to sunny gardens.

Drought-tolerant and low-maintenance, ideal for xeriscaping.

Provides nectar for pollinators like bees and butterflies.

Marketplace

Where to Buy

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Planting

How to Grow

Select well-draining sandy or loamy soil for planting.
Tuck seeds just below the soil surface in early spring or fall.
Keep soil moist until germination occurs, about 2 weeks.
Transplant seedlings when they are sturdy and after the danger of frost has passed.
Water regularly during dry spells to promote healthy growth.
Apply a light mulch to conserve moisture and suppress weeds.

Pro Tip

Sow seeds in fall for natural stratification and earlier spring bloom.

Keep It Thriving

Care Guide

Do

Water moderately; avoid overwatering to prevent root rot 🌱.
Provide full sun for optimal flowering.
Deadhead spent flowers to encourage more blooms.
Apply a balanced fertilizer during the growing season.

Don't

Don’t plant in heavy clay soil that retains water ❌.
Avoid excessive fertilization, which can lead to leggy growth.
Do not disturb roots during flowering period.
Refrain from overwatering during winter dormancy.

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Sun-drenched border with silvery foliageWildflower meadow with delicate bloomsDrought-tolerant rock garden accent

Companion Plants

Lavender Echinacea Coreopsis Salvia Gaillardia

Multiply

Propagation Methods

Good to Know

Common Questions

Tufted Evening Primrose questions

What zones can Tufted Evening Primrose grow in?

Tufted Evening Primrose 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 Tufted Evening Primrose deer resistant?

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

When does Tufted Evening Primrose bloom?

Tufted Evening Primrose typically blooms in late spring to summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Tufted Evening Primrose need full sun?

Tufted Evening Primrose does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Tufted Evening Primrose drought tolerant?

Yes — once established (usually after the first full season), Tufted Evening Primrose handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.