Waltham 29 Heirloom Broccoli
Brassica oleracea
BRAS-sik-a all-er-RAY-see-uh
Edibles: Fruiting Vegetable
Min. Temp
Hardy: 28°
Broccoli is a timeless annual staple of the home garden found just as often growing in the garden bed as on the kitchen counter. Broccoli has always been a tolerant frost hardy favorite, but is currently in its renaissance as a vitamin-rich crop popularly used in indoor gardening such as microgreens, sprouts, and hydroponics. Like other annual Brassicas such as cabbage, kale, and cauliflower, broccoli requires very similar growing conditions with similar harvest windows.
Appearance
Summer Foliage
Blue-Green
Fall Foliage
Green
Flower Color
Yellow
Blooming Time
Late Spring - Late Spring
Habit
Upright
Height
24–30 in
Spread
12–18 in
Form
Come and Cut Again
Characteristics
Type
Heirloom
Safety
Edible Parts
Growth Rate
Moderate
Traits
High Yields
Tolerance/Resistance
Cold Hardy
Attracts
Attracts Beneficial Insects
Uses/Placement
Culinary
Optimal Growing Conditions
Sun Exposure
Full Sun - Part Sun
Soil Texture
Loamy
Soil Drainage
Well-drained
Soil Moisture
Average
Soil PH
Slightly Acidic: 6.0-6.5
PH Tolerance
Prefers neutral soil
PH Correction
High pH can reduce nutrient uptake
Soil Amendment(s)
Compost
Fertilizer
Heavy Feeder
Fertilizer Formula
Rooting & Blooming
Fertilizer Timing
Pre-Fruiting
Micronutrients
Boron (B)
Care
Care Level
Moderate
Behavior and Propagation
Spreading
Non-Spreading
Propagation Method
Benefits from Pollinators
Propagation Licensing
Open propagation permitted
Division Timing
Do Not Divide
Fruit and Pollination
Days to Harvest
70 Days
Fruit Size
Medium
Fruit Characteristics
Firm Flesh
Ploidy
Diploid
