How to Grow Pollinator-Attracting Flowering Plants

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Pollinator-Attracting Flowering Plants

Trifolium spp. & Borago officinalis

flower

A diverse group of flowering plants specifically selected to attract and support pollinators like bees, butterflies, and hoverflies. These plants provide essential nectar, pollen, and habitat for beneficial insects while beautifying gardens and supporting ecosystem health. Common examples include clover species and borage, both renowned for their prolific flowering and high nectar production.

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Example Pollinator-Attracting Flowering Plants timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Pollinator-Attracting Flowering Plants

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Pollinator-Attracting Flowering Plants blooms

    Around Jun 16

    ≈ 60 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Pollinator-Attracting Flowering Plants dates for your own zip code.

Growing Conditions

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Sun: Full sun, 6-8 hours daily minimum; both clover and borage prefer sunny locations for optimal flowering
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Water: Moderate watering; clover drought-tolerant once established; borage needs consistent moisture during growth but is drought-tolerant at maturity. Water at soil level to avoid fungal issues.
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Spacing: Clover: 6-12 inches; Borage: 12-18 inches (plants grow sprawling) inches
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Days to maturity: Clover: 60-90 days to significant flowering; Borage: 70-80 days to first flowers
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Planting depth: Clover seeds: surface to 1/4 inch (light germinators); Borage seeds: 1/2 inch deep

Soil

Type: Well-draining loamy to sandy soil; clover tolerates poor soil; borage prefers moderately fertile soil
pH: 6.0-7.5
Amendments:
Compost for initial fertility Perlite or sand for drainage improvement Avoid excessive nitrogen (promotes foliage over flowers)

Growing Zones

Find your zone →

Zones 3-9; most pollinator flowers thrive across temperate regions with varied seasonal preferences

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

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Growth Stages

1

Germination & Seedling

2-3 weeks

Seeds sprout and develop first true leaves. Clover emerges quickly with small compound leaves; borage develops fuzzy cotyledons.

Keep soil consistently moist but not waterlogged. Protect young seedlings from heavy foot traffic. Thin borage seedlings to prevent crowding.

2

Vegetative Growth

3-4 weeks

Plants develop foliage and root systems. Clover forms dense mats of trifoliate leaves; borage grows bushy with increasingly fuzzy stems and leaves.

Reduce watering frequency as plants establish. No fertilizer needed for clover; minimal for borage. Remove any weeds competing for resources.

3

Budding & Early Flowering

2-3 weeks

Flower buds form and first blooms appear. Clover develops characteristic round flower heads; borage produces star-shaped blue, pink, or white flowers.

Ensure adequate sunlight and water. Deadhead spent flowers on borage to encourage continuous blooming. Do not fertilize; excessive nutrients reduce flowering.

4

Peak Flowering & Pollinator Activity

4-8 weeks (extends with deadheading)

Abundant flowers attracting maximum pollinator activity. Clover displays dense purple, white, or red flower heads; borage produces prolific nodding flowers.

Maintain consistent watering without overwatering. Do NOT use pesticides; these kill the pollinators you're attracting. Enjoy watching bees and butterflies.

5

Seed Development & Decline

3-4 weeks until full maturity

Flowers fade, seeds develop. For pollinator benefit, allow some flowers to go to seed, providing fall and winter food for birds and insects.

Leave seed heads standing through winter for wildlife. Cut back borage only after seeds mature and drop. Clover self-seeds readily.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Heavily sprayed monocultures Plants treated with systemic insecticides Dense shade-casting trees (reduces sun for flowering)

Common Pests

  • Spray with water to dislodge; encourage natural predators like ladybugs; avoid insecticides to protect pollinators

  • Increase humidity by misting; spray with neem oil if severe; encourage predatory mites

  • Yellow sticky traps; strong water spray; insecticidal soap as last resort (use carefully around pollinators)

  • Hand-pick in early morning; allow some damage—benefit to pollinators outweighs cosmetic loss; avoid systemic pesticides

  • Ensure good air circulation; avoid overhead watering; sulfur dust if needed; resistant varieties available

Uses

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Primary Pollinator Food Source

Wildlife

Clover and borage are among the most nectar-rich flowers, providing essential food for honeybees, bumblebees, butterflies, and hoverflies. Both plants support entire pollinator populations throughout their flowering season. [source]

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Edible Borage Flowers & Leaves

Culinary

Borage flowers are beautiful edible garnishes with a subtle cucumber flavor, perfect for cocktails and salads. Young borage leaves can be cooked like spinach or used fresh in salads, offering a slightly minerally taste. [source]

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Borage Seed Oil & Traditional Medicine

Medicinal

Borage seeds produce oil rich in gamma-linolenic acid (GLA), used medicinally for inflammation and joint health. Historically, borage has been used to support respiratory health and reduce stress. [source]

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Nitrogen Fixation & Soil Improvement

Household

Clover harbors nitrogen-fixing bacteria in root nodules, naturally enriching soil without synthetic fertilizers. Planting clover in beds or lawns improves soil fertility for subsequent crops, a key permaculture technique. [source]

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Edible Flowers for Decoration

Craft

Both borage and clover flowers add color and whimsy to cakes, cupcakes, and floral arrangements. Edible flowers can be candied, frozen in ice cubes, or pressed for botanical art projects. [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 pollinator benefit, allow flowers to bloom fully and set seed. If harvesting borage flowers for culinary use, pick in early morning when fully open. Clover is typically not harvested but allowed to flower continuously. Both self-seed readily; leave mature seed heads on plants to drop seeds for next season.

Fun Facts

  • 🌱 A single borage plant can produce up to 2,000 flowers in a season, each secreting nectar that attracts multiple pollinator visits daily—making it one of the most efficient pollinator plants you can grow.
  • 🌱 Clover is a key component of wildflower meadows and 'pollinator corridors'; planting clover strips between agricultural fields significantly increases bee populations and crop pollination success.
  • 🌱 Borage flowers are naturally rich in potassium and calcium and were traditionally used by medieval herbalists to 'elevate the spirits'—it's one of the few culinary flowers with documented bioactive compounds like pyrrolizidine alkaloids (though in safe amounts when used as food).

Gardening Terms

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