How to Grow Butterfly-attracting Perennials

Butterfly-attracting Perennials

Various species (common genera: Asclepias, Echinacea, Monarda, Liatris, Phlox)

flower

A diverse group of perennial flowering plants specifically selected for their ability to attract and support butterfly populations, particularly Monarch butterflies. These plants provide essential nectar for adult butterflies and, in some cases like milkweed, serve as crucial host plants for caterpillars. Most are hardy, low-maintenance, and bloom over extended periods to sustain butterflies throughout their life cycles.

Looking for a specific variety?

Common Milkweed Showy Milkweed Swamp Milkweed Purple Coneflower Bee Balm - Scarlet Blazing Star - Kansas Gayfeather

When should you plant Butterfly-attracting Perennials in your zone?

Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.

Get my Butterfly-attracting Perennials timeline →

Example Butterfly-attracting Perennials timeline · Pittsburgh, PA (Zone 6b)

Plant Butterfly-attracting Perennials
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
First Butterfly-attracting Perennials blooms
Around Jun 16

≈ 60 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Butterfly-attracting Perennials dates for your own zip code.

Growing Conditions

☀️

Sun: Full sun, 6-8 hours daily (most species); some tolerate partial shade

💧

Water: Moderate watering; most prefer soil that dries between waterings. Once established, many are drought-tolerant. Avoid overwatering, which can promote disease.

📏

Spacing: 12-36 inches depending on mature size and species inches

📅

Days to maturity: Most bloom 60-90 days from spring growth; full establishment takes 2-3 seasons

🌱

Planting depth: Seeds: surface sow or lightly press into soil; Transplants: plant at same depth as pot

Soil

Type: Well-draining loamy soil, adaptable to varied soil conditions depending on species

pH: 6.0-7.0

Amendments:

Compost Peat moss or coconut coir for moisture retention Perlite for drainage Avoid heavy fertilization

Growing Zones

Find your zone →

Varies by species; most thrive in zones 3-9, with some hardy to zone 2

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b

Get my Butterfly-attracting Perennials timeline →

Growth Stages

Seedling/Establishment

4-6 weeks

Young plants developing root systems and initial leaf growth; small, delicate appearance with few or no flowers

Keep soil consistently moist but not waterlogged. Protect from extreme heat and cold. Provide afternoon shade in hot climates.

Vegetative Growth

6-10 weeks

Plant develops fuller foliage and stronger stems; pre-flowering stage with lush green growth

Water regularly during dry spells. Pinch back stems in early summer to encourage bushier growth. Minimal fertilizer needed.

Bud Formation & Early Flowering

2-4 weeks

Flower buds appear on stem tips; first blooms emerge, attracting early-season butterflies

Ensure consistent moisture. Begin light deadheading of spent flowers to encourage continuous blooming. Observe for pest activity.

Peak Bloom

4-8 weeks (often longer with deadheading)

Full flower display with multiple blooms per stem; peak butterfly attraction and nectar production

Deadhead regularly to extend bloom season. Water during dry periods. This is prime time for observing and photographing butterflies.

Seed Development & Decline

4-6 weeks

Flowers fade; seed pods develop; foliage may begin to yellow in fall. Late-season butterflies still visit late-blooming species.

Leave some seed heads for wildlife and self-seeding. Reduce watering as growth naturally slows. Cut back after frost for spring cleanup.

Companion Planting

Plan your garden →

Plant with:

Milkweed (Asclepias) Purple Coneflower (Echinacea) Bee Balm (Monarda) Black-eyed Susan (Rudbeckia) Blazing Star/Liatris (Liatris) Phlox Asters Zinnias Cosmos Coreopsis Joe-Pye Weed Sedums Verbena Salvia

Avoid planting near:

Aggressive spreaders like mint (plant in containers nearby instead) Plants requiring constant moisture if growing drought-tolerant species Areas receiving pesticide spray from lawn treatments Overly dense shade locations

Common Pests

This is NOT a pest—these are beneficial! Avoid pesticides. Plant extra milkweed to support populations.
Spray with water to dislodge; use insecticidal soap; encourage natural predators like ladybugs
Increase humidity with overhead watering; use miticide spray if severe; encourage beneficial mites
Ensure good air circulation; avoid overhead watering; apply fungicide spray; select mildew-resistant varieties
Hand-pick beetles in early morning; use pheromone traps away from plantings; avoid systemic insecticides harmful to butterflies

Uses

🦋

Monarch Butterfly Support

Wildlife

These plants, especially native milkweed species, are essential for Monarch butterfly lifecycle. Milkweed serves as the only host plant for Monarch caterpillars, while flowers provide nectar for adults. A butterfly garden supports conservation of this iconic, declining species. [source]

🦋

Pollinator Garden Foundation

Wildlife

Butterfly-attracting perennials create a vibrant ecosystem supporting not only butterflies but also bees, hummingbirds, and beneficial insects. Extended bloom times ensure food availability throughout the growing season. [source]

🏠

Low-Maintenance Landscaping

Household

Once established, most butterfly perennials are drought-tolerant, disease-resistant, and require minimal maintenance, making them ideal for sustainable gardens and reducing water/chemical inputs. [source]

🍳

Edible Flowers

Culinary

Certain butterfly-attracting species like bee balm, phlox, and some salvias produce edible flowers that add color and flavor to salads, beverages, and desserts. [source]

💊

Herbal & Traditional Medicine

Medicinal

Plants like bee balm and coneflower have been used traditionally to support immune health and wound healing. Many contain compounds with antimicrobial and anti-inflammatory properties. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

For seed saving: allow flower heads to dry on the plant; cut seed heads when brown and papery; store in cool, dry location. For flower arrangements: cut stems in early morning when butterflies are less active; re-cut and place in water immediately. Do not harvest if butterflies are actively feeding.

Fun Facts

🌱 Monarch butterflies need milkweed exclusively for their caterpillars to survive; without it, the entire Monarch population cannot complete its life cycle.
🌱 A single butterfly garden can support thousands of butterflies and other pollinators over a growing season, creating a thriving ecosystem in your yard.
🌱 Many butterfly flowers have ultraviolet patterns invisible to humans but clearly visible to butterflies, acting as 'landing strips' that guide pollinators to nectar.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Deadhead Full Sun Partial Shade Perennial pH Pinch Back

Shop Butterfly-attracting Perennials plants and related plants at Plant Addicts →

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Butterfly-attracting Perennials planting timeline

Tell us your zip code and we'll calculate exactly when to start Butterfly-attracting Perennials seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.

Get my Butterfly-attracting Perennials timeline →