How to Grow Bindweed

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Bindweed

Convolvulus arvensis

vine

Bindweed is a fast-growing, twining perennial vine with heart-shaped leaves and small white, pink, or purple funnel-shaped flowers. While occasionally cultivated as an ornamental, it is widely considered an invasive weed due to its aggressive growth habit and deep root system that makes it difficult to eradicate.

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Example Bindweed timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Bindweed

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Bindweed

    Around Jun 16

    ≈ 60 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Bindweed dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun to partial shade, 4+ hours daily
💧
Water: Drought tolerant once established; requires moderate water when young. Minimal supplemental watering needed except during extended dry periods.
📏
Spacing: Not typically spaced intentionally; if intentionally grown, allow 12-18 inches inches
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Days to maturity: Begins flowering 60-90 days from seed; perennial that returns annually
🌱
Planting depth: Seeds planted 0.25-0.5 inches deep

Soil

Type: Poor to moderately fertile soil; tolerates sandy, clay, and loamy soils
pH: 5.5-7.5

Growing Zones

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Thrives throughout North America from zones 2-10; extremely hardy and adaptable

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b

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Growth Stages

1

Seedling

2-4 weeks

Tiny heart-shaped cotyledons emerge; small, tender plants with 2-4 true leaves

Keep soil consistently moist; protect from competition; thin seedlings to proper spacing if intentionally sown

2

Vegetative

4-8 weeks

Rapid twining growth with increasingly larger heart-shaped leaves; plant develops multiple stems and begins climbing or sprawling

Provide support structure if desired; water during establishment; remove competing weeds

3

Flowering

6-12 weeks, repeating throughout growing season

Small (0.75-1 inch) funnel-shaped flowers appear in clusters; typically white with pink or purple tinges; flowers open in morning and close by afternoon

Allow flowering if cross-pollination desired; deadhead to prevent seed production if containment is a priority

4

Fruiting

4-6 weeks per crop

Small round seed capsules develop from spent flowers; each capsule contains 1-4 seeds with hard seed coats

Monitor for excessive seed production; remove seed heads before they mature and disperse if weed prevention is desired

5

Dormancy

4-6 months depending on climate zone

Above-ground vines die back in winter; deep perennial root system persists underground, often 6+ feet deep

Root system survives harsh winters; repeated removal of top growth weakens but rarely kills the plant; excavation may be necessary for complete removal

Companion Planting

Plan your garden →

Avoid planting near:

Most garden vegetables most herbaceous perennials most cultivated flowers

Common Pests

  • Rarely causes significant damage; horticultural oils or water spray if necessary

  • Remove infected portions; dodder depends on bindweed as a host

Uses

🏠

Weed Management Challenge

Household

Bindweed is widely studied as a particularly persistent agricultural and garden weed due to its deep root system and prolific seed production. Understanding its biology helps gardeners develop effective control strategies. [source]

💊

Traditional Herbal Use

Medicinal

In some traditional medicine systems, bindweed has been used as a mild laxative and for skin conditions, though scientific evidence is limited and it is not recommended for self-medication. [source]

🌿

Ornamental Vine

Ornamental

The delicate pink and white flowers can be attractive in ornamental settings, though careful containment is essential as the plant readily self-seeds and becomes invasive. [source]

🦋

Pollinator Support

Wildlife

Bindweed flowers attract bees and other pollinators, providing a nectar source during its extended blooming season. [source]

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

Harvest Tips

Bindweed is not typically harvested for food or traditional use. If seed collection is desired for ornamental or research purposes, collect seed capsules in late summer/early fall when they turn brown and papery, before they naturally split and disperse seeds.

Fun Facts

  • 🌱 Bindweed seeds can remain viable in soil for up to 60 years, making long-term management critical for effective control.
  • 🌱 The plant's deep taproot system can extend 15+ feet underground, allowing it to access water and nutrients unavailable to shallow-rooted plants.
  • 🌱 Bindweed flowers exhibit nyctinasty (sleep movements), opening in the morning and closing by afternoon or in cloudy weather, a behavior that reduces water loss.

Gardening Terms

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

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