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Broccoli Seeds - Waltham 29 HEIRLOOM - OPEN POLLINATED

Buy Broccoli Seeds by the Packet or in Bulk

Unit Size Unit Price Savings Qty
Packet $3.95
1 Ounce Package $7.95
1/4 Pound Package $17.95 44%
1 Pound Sack $40.95 68%
5 Pound Sack $134.95
($26.99/lb.)
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  • Heads up to 8 Inches in Diameter
  • 50 Days to Harvest
  • Prefers full sun exposure

Product Description

The “Waltham 29” is a lovely and adaptable broccoli that can be successfully planted in both spring and fall. Developed by the University of Massachusetts in the 1950’s. A delicious tasting broccoli with a pleasing dark green – sometimes even bluish – color.

  • Fast Facts

    Name:Broccoli Seeds - Waltham 29
    Botanical Name:Brassica oleracea
    Life Cycle:Annual
    Light Requirement:Full Sun
    Planting Season:Cool Season
    Plant Type:Head or Flower Vegetable - Edible Flowering Bud and Stalk, Dark Blue-Green with Side Shoots
    Features:Heirloom, Good for Microgreens, Container Garden, Fast Growing
    Fruit Size:Central Head 4-6 Inches in Diameter
    Days to Maturity:50-70 Days
    Plant Spacing:12-18 inches
    Planting Depth:1/4 inch
    Sowing Method:Direct Sow
    Cold Stratification:No
    Seeds per Packet:1 g
    Seeds per Pound:128, 000
    Hardiness Zones:3, 4, 5, 6, 7, 8, 9, 10
    Ships:Year Round
  • Planting Instructions

    When to Plant Broccoli

    Broccoli can be planted in both the Spring and Fall. The seeds can germinate with temperatures as low as 40 degrees F.

    How to Plant Broccoli

    Broccoli needs full sun and moist soil. Slightly acidic soil is preferred - for soil testing, contact your local Agricultural Extension office. Plant the seeds ½ inches deep in fertile soil. If planting in rows, plant 12-24 inches apart with rows 36 inches apart. Make sure to keep your broccoli plants watered, but take care to not get the developing broccoli heads wet while watering.For Spring planting: sow seeds indoors 2-3 weeks before the last frost. For Fall planting: sow seeds 85-100 days before the average Fall frost, during mid- to late-summer.

    When to Harvest Broccoli

    Harvest your broccoli when you see that the buds of the head are firm. Cut the stalk of the main head at a slant, and smaller side shoots will grow up from where you’ve cut.

    **If you live in a warmer climate, broccoli does best with a Fall planting. If you fear that your soil will be too hot, a layer of mulch will help ensure cooler soil temperatures. Make sure to harvest your broccoli before the yellow flower petals start to show - those parts have a mealy texture.

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