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How to Grow Pole Bean Purple Queen

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Pole Bean Purple Queen

Phaseolus vulgaris

vegetable

Purple Queen is a climbing pole bean variety that produces long, slender purple pods on vigorous vining plants. The pods are tender, flavorful, and turn green when cooked, making them both ornamental and delicious. This variety is known for its prolific production and excellent taste, thriving on vertical trellises or supports.

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Example Pole Bean Purple Queen timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Pole Bean Purple Queen

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Pole Bean Purple Queen

    Around Jun 16

    ≈ 60 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Pole Bean Purple Queen dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily
💧
Water: Consistent moisture, 1-2 inches per week; water at soil level to avoid fungal issues
📏
Spacing: 6 inches
📅
Days to maturity: 60-70 days
🌱
Planting depth: 1

Soil

Type: Well-draining loamy soil
pH: 6.0-7.0
Amendments:
Compost aged manure balanced NPK fertilizer

Growing Zones

Find your zone →

Thrives in zones 4-9; plant after last frost when soil is warm

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

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Growth Stages

1

Germination

7-14 days

Seeds sprout and first true leaves emerge

Ensure soil temperature is 60°F or higher; keep soil consistently moist but not waterlogged

2

Seedling & Climbing

2-3 weeks

Vines grow rapidly and begin twining around support structure; multiple leaves develop

Provide sturdy trellis or pole early; thin seedlings to proper spacing; water regularly

3

Flowering

2-3 weeks

Purple flowers bloom along the vine; plant reaches full height and vigor

Maintain consistent watering; apply balanced fertilizer every 2-3 weeks; pollination occurs naturally

4

Pod Development & Production

3-4 weeks

Purple pods form and elongate; plant produces continuously if harvested regularly

Pick pods every 2-3 days while young and tender (4-6 inches); regular harvesting encourages more production

5

Late Harvest & Senescence

2-4 weeks until frost

Pods continue to mature; plant growth slows as temperatures cool or frost approaches

Continue harvesting mature pods; allow final pods to dry on vine if saving seeds; frost will end season

Companion Planting

Plan your garden →

Plant with:

Corn squash cucumber radish carrot marigold

Avoid planting near:

Fennel onion garlic kohlrabi

Common Pests

  • Hand-pick beetles and egg clusters; use row covers when young; spinosad or neem oil spray as needed

  • Increase humidity by misting; spray with water; use miticide if severe

  • Spray with strong water spray; use insecticidal soap; introduce ladybugs

  • Row covers early in season; hand-pick; neem oil spray

  • Ensure good air circulation; avoid overhead watering; sulfur dust or baking soda spray

Uses

🍳

Fresh steamed or sautéed green beans

Culinary

Purple Queen pods turn vibrant green when cooked and offer tender, sweet flavor perfect for side dishes. They can be steamed, sautéed with garlic, or added to stir-fries. [source]

🍳

Raw in salads

Culinary

Young, tender raw pods add crunch and visual interest to fresh salads. The purple color provides attractive color contrast before cooking. [source]

🏠

Nitrogen fixation and soil improvement

Household

Like all legumes, pole beans form nodules with nitrogen-fixing bacteria, naturally enriching soil and reducing need for synthetic nitrogen fertilizers. This makes them excellent for crop rotation. [source]

🍳

Preservation through freezing or canning

Culinary

Excess harvest can be blanched and frozen for winter use, or canned using proper pressure-canning techniques. They retain good quality when preserved. [source]

🎨

Ornamental garden feature

Craft

The attractive purple pods and lush green foliage make Purple Queen beans both productive and visually appealing on trellises or arbors as living landscape elements. [source]

Harvest Tips

Begin harvesting when pods are 4-6 inches long and snap easily; harvest every 2-3 days for maximum tenderness and production; pick pods while still tender and before seeds bulge; snap or cut pods from vine to avoid damaging plant; plants produce until first frost

Fun Facts

  • 🌱 Purple Queen beans change from deep purple to bright green when cooked due to the breakdown of purple pigments (anthocyanins) in the heat.
  • 🌱 Pole beans can grow 6-8 feet or taller, providing excellent vertical garden space efficiency and creating natural shade while producing food.
  • 🌱 Beans were domesticated in Mesoamerica over 7,000 years ago and remain a staple protein source in cuisines worldwide.

Gardening Terms

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

Full Sun Pollination Trellis True Leaves
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