perennial

Pineneedle Milkweed

The Story

Plant Bio

Asclepias linaria, commonly known as pineneedle milkweed, features narrow, linear leaves and produces clusters of white flowers that attract various pollinators.

This species is especially important as a host plant for monarch butterfly caterpillars.

Uses & Benefits:

Beautiful native plant attracting butterflies and pollinators, with attractive green foliage.

Provides essential nectar for monarch butterfly caterpillars, supporting native ecosystems.

Supports local biodiversity and promotes pollinator health.

Essentials

At a Glance

Plant Type

Perennial

Height

36 inches

Width

24 inches

Light

Full Sun, Partial Sun

Zones

7, 8, 9, 10

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

North America

Toxicity

Toxic to humans and animals

Planting

How to Grow

Tuck seeds into well-draining soil in early spring for best germination.
Mist cuttings regularly to maintain humidity and promote root growth.
Water deeply once a week during active growth to keep soil moist but not waterlogged.
Thin seedlings to prevent overcrowding and ensure healthy development.
Apply a balanced fertilizer in mid-summer to support blooming.
Mulch around the base to conserve moisture and suppress weeds.

Pro Tip

Start seeds indoors 6 weeks before last frost for earlier blooms outdoors.

Keep It Thriving

Care Guide

Do

Provide full sun for optimal growth 🌞
Water consistently during dry spells 💧
Use organic compost to enrich soil 🌱
Deadhead spent flowers to encourage more blooms
Monitor for pests regularly

Don't

Avoid overwatering to prevent root rot ❌
Do not plant in heavy, poorly-draining clay soil
Refrain from fertilizing during dormancy
Avoid excessive pruning in late fall

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Harvest
Pest Check
Plant
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Wildflower meadow with silvery foliageButterfly-friendly border with nectar-rich flowersDrought-tolerant xeriscape accent

Companion Plants

Echinacea Lavandula Coreopsis Gaillardia Rudbeckia

Multiply

Propagation Methods

Good to Know

Common Questions

Pineneedle Milkweed questions

What zones can Pineneedle Milkweed grow in?

Pineneedle Milkweed is hardy in USDA Zones 7–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Pineneedle Milkweed deer resistant?

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

When does Pineneedle Milkweed bloom?

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

Does Pineneedle Milkweed need full sun?

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

Is Pineneedle Milkweed drought tolerant?

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