Broccoli is a cool weather crop growing best between the daytime temperatures of 50 and 70 degrees F. Broccoli will tolerate temperatures down into the 20’s but will bolt and go to flower when temperatures reach the 80’s.

Broccoli

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    Broccoli is a cool weather crop growing best between the daytime temperatures of 50 and 70 degrees F.

    Broccoli will tolerate temperatures down into the 20’s but will bolt and go to flower when temperatures reach the 80’s.

    Broccoli is most often started from seeds indoors 4-6 weeks before transplanting your broccoli plants outside.

    As with all plants started from seed indoors, you’ll need to harden the broccoli seedlings off by placing them outside in gradually increasing intervals for a week or so.

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    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. Harvest in about 50 days. Germination rate about 80% or better.
    Broccoli Waltham 29 - 25 Non-GMO, Heirloom Seeds
    David's Garden Seeds®
    Purple Sprouting Broccoli is actually an English heirloom variety bred for overwintering. Tall and prolific, Purple Sprouting Broccoli grows slowly through the winter and sprouts in the spring. A wonderfully interesting addition to your garden that is just as flavorful. Harvest in about 70 days. Germination rate about 80% or better.
    Broccoli Purple Sprouting 25 Non-GMO, Organic, Heirloom Seeds
    David's Garden Seeds®
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    De Cicco is a favorite multi-cut Italian variety. A traditional Italian heirloom broccoli variety producing small, 3 to 4 inches, main heads projected well above the foliage followed by a large yield of side-shoot spears. Nonuniform in maturity, resulting in a long harvest period. Harvest main head when 3 inches in diameter or less to encourage heavier side-shoot production. For spring or fall production. Harvest in about 50 days. Germination rate about 80% or better.
    Broccoli De Ciccio 25 Non-GMO, Organic, Heirloom Seeds
    David's Garden Seeds®
    Calabrese was brought to U.S. by Italian gardeners, introduced to seed trade 1914 to 1918. Produces central head (3 to 6 inches in diameter) plus many side shoots. Harvest in about 60 days. Germination rate about 80% or better.
    Broccoli Calabrese 25 Non-GMO, Heirloom Seeds
    David's Garden Seeds®
    Broccoli Green Magic 25 Non-GMO, Hybrid Seeds
    David's Garden Seeds®
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    Plant Broccoli Green Magic 4.5 inch pot
    David's Garden Seeds®
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