Skip to content
FREE SHIPPING OVER $99

Growing Zone

Find Now

Have a question?

Ask Us!


Brassica rapa Pak Choi Joi Choi

Brassica rapa Pak Choi Joi Choi is a vigorous, hybrid bok choy variety, valued for its pristine, heavy white stalks and deep green, spoon-shaped leaves. Growing to about 12 to 18 inches tall with a spread of 10 to 12 inches, this variety is perfect for vegetable gardens, raised beds, and container plantings where quick maturity and high yields are desired. Unlike standard open-pollinated varieties, Joi Choi is exceptionally bolt-resistant, offering a reliable harvest of crunchy, juicy greens even when temperatures fluctuate, bridging the gap between cool spring crops and early summer plantings.

 

Culinary and Practical Uses

  • The thick, crisp white stems are juicy and mild, retaining their crunch in stir-fries, while the tender dark leaves cook down quickly like spinach
  • Excellent for steaming, braising, or halving and grilling; the mild, sweet mustard flavor pairs perfectly with ginger, soy sauce, garlic, and sesame.
  • Rich in vitamins A, C, and K, making it a nutrient-dense addition to healthy soups, noodle bowls, and fresh salads (when harvested young).

 

Characteristics

  • Foliage: Glossy, dark green leaves contrast strikingly with the thick, porcelain-white petioles (stems); the texture is smooth and crisp rather than fibrous.
  • Growth Habit: Upright, vase-shaped rosette that grows rapidly and uniformly; suitable for "cut-and-come-again" harvesting of outer leaves or harvesting the whole head.
  • Flowers: If left to bolt in high heat, it produces tall stalks of small, bright yellow, cross-shaped flowers that are edible and attract pollinators, though the plant is usually eaten before this stage.
  • Seeds: Harvested after flower pods (siliques) dry and brown; the small, round, reddish-brown seeds are easily collected for future planting.

 

Growing Requirements

  • Sun: Thrives in full sun to partial shade; prefers cooler temperatures and benefits from afternoon shade if growing into the heat of summer.
  • Soil: Adapts to most soil types but prefers fertile, well-draining soil rich in organic matter and nitrogen to fuel leaf growth.
  • Water: Requires consistent, ample watering; dry soil can cause the plant to bolt prematurely or develop a tough texture.
  • Spacing: Plant seeds or thinned seedlings 10 to 12 inches apart to allow the heavy heads to develop fully without overcrowding.
  • Maintenance: Sow in succession every two weeks for a continuous supply; mulch the soil to keep roots cool and moist.

 

Shipping Info

Pak Choi Joi Choi seeds ship as fresh, high-quality, viable seeds that are carefully packaged for stability and protection from damage during transit. Prompt shipping supports reliable germination and seasonally appropriate planting.

Growing Zones

2 - 11
Your Growing Zone:
Find My Zone
1
2
3
4
5
6
7
8
9
10
11

Low Temperature

20°F

High Temperature

85°F

Fragrant

No

Polinator Required

No

Polinator Friendly

Yes, If allowed to bolt

Flower Color

Green White Yellow

Growth Rate

Fast

Soil

Fertile, loamy, well-draining soil

Moisture

Moderate

Sun Exposure

Full Sun to Partial Shade

Mature Spread

10 - 12 inches

Mature Height

12 - 18 inches

Bloom Period

Spring / Summer

Pruning Time

Throughout the season

Pet Safe

Yes

Perennial / Annual

Annual

Evergreen / Deciduous

Deciduous

Blossomdale
Blossomdale
Blossomdale

Shop Our Bestsellers


Bring life to your garden with the plants everyone’s raving about! These bestsellers are customer favorites for their beauty, resilience, and ability to thrive in a variety of spaces.

Shop Bestsellers
Blossomdale
Blossomdale