Waltham 29 Broccoli

Brassica oleracea
Waltham 29 (74 days)

Bred by the University of Massachusetts, Waltham Field Station, Waltham, MA around 1950.

Waltham 29 broccoli produces uniform high yields, good color, cold resistance, dwarf compact plant, and big side shoots. Popular at Farmers Markets.

Main heads are 4-8″ with steady side shoot production after main head is harvested.  Good cultivar for freezing.

Does extremely well on the East Coast and Pacific Northwest of the United States.

Seed Planting Depth Seeds per gram Germination Temperature Days to Germination Row Spacing Plant Spacing 100′ Row Yield Sun
1/4″ 40-60 55-65 7-14 24″ 15-18″ 35 lb. Full

Planting Tips:

Start spring seedlings 4-6 weeks before last frost.  Start fall transplants 2-3 months before first frost.  Plant in ground when 3” tall and bury stem 1” deeper than they were in your pots.  When transplanting, enrich soil with a little blood and bone meal.  Once main head is cut, harvest side shoots for several weeks.

Heirloom seeds are hardy but always take care with your garden seeds to give them the appropriate amount of moisture – not letting the vegetable seeds dry out prematurely or overwatering and possibly having them rot.

(source: Sustainable Seed Company)

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