Skip to product information
1 of 3

Botanical Interests

Waltham 29 Broccoli Seeds

Waltham 29 Broccoli Seeds

Regular price $2.69
Regular price Sale price $2.69
~1.5 g (~360 seeds)
Sale Sold out

Free shipping on orders over $99

Product Details

Broccoli has a long culinary history going back to the Romans. The florets, leaves, and stems are packed with vitamin C and provide calcium, potassium, and iron. The 4"-6", blue-green heads are delicious raw or cooked. 'Waltham 29' grows prolific side shoots and is specially adapted for cold tolerance. Freezes well. Kids will delight in the "little trees" on their plate.

View full details
  • Variety Info
  • Sowing Info
  • Growing Info

Variety Info

Days to Maturity: 75 days

Family: Brassicaceae

Native: Europe

Hardiness: Frost-tolerant annual

Exposure: Full sun

Plant Dimensions: 20"–24", compact

Variety Info: Plants produce a medium-sized, 4"–6" main head followed by smaller 1" side shoots.

Attributes: Good for Containers, Frost Tolerant

Sowing Info

When to Sow Outside: 4 to 6 weeks before your average last frost date, or when soil temperature is at least 40°F, ideally 60°-85°F. Also in late summer for fall harvest. Mild Climates: Best sown in fall or winter for cool-season harvest.

When to Start Inside: RECOMMENDED. 4 to 6 weeks before transplanting outside after your average last frost date, or 12 weeks before your average first fall frost date. In mild climates, sow in fall for harvest in late winter and early spring. Ideal soil temperature for germination is 70°–85°?, cooler (60°F) growing temperatures thereafter.

Days to Emerge: 7–14 days

Seed Depth: ⅛"

Seed Spacing: A group of 3 – 4 seeds every 24"

Row Spacing: 24"–36"

Thinning: When 2" tall, thin to 1 every 24"

Growing Info

Harvesting: Harvest when florets are enlarged but still closed. This will encourage large numbers of side florets.