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Garden Guide

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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. Buy Broccoli seeds online. Depending on your area, start heirloom organic broccoli seeds indoors February-april for planting out in your garden.most spring crops are set out around april 10th and fall crops around july 1st. direct seed broccoli may-june for fall crop. remember broccoli is a cool-weather crop so adjust your planting time accordingly. with a little skill, you can get a spring and fall crop! Heirloom organic broccoli will grow well in reasonably fertile, well-drained, moist soils with plenty of added organic matter. We add lots of rabbit manure or some well-composted chicken manure. A mulch will help keep the ground cool and moist. The pH should be between 6.0 and 7.0 for optimum growth. A pH within this range will discourage clubroot disease and maximize nutrient availability. If you have blended or mulched a nice manure in, you should be fine. Don't forget when transplanting to add a little bone and blood meal to each hole. A teaspoon of each will get your transplants off to a good start!

Check out our Vegetable Growing Guide for helpful growing tips and information.

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Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites
21 Items
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Broccoli-WalthamNon-GMO Waltham 29 Broccoli
-0
Heirloom
Broccoli Seeds - Waltham 29
Starting at $2.49
Broccoli Waltham 29 OrganicBroccoli Seeds - Waltham 29 (Organic) - Packet
-0
Heirloom
Organic
Broccoli Seeds - Waltham 29 (Organic)
Starting at $2.99
Broccoli Raab Spring Rapini Organic SeedBroccoli Seeds - Raab - Spring Rapini (Organic)
-0
Heirloom
Organic
Broccoli Seeds - Raab - Spring Rapini (Organic)
Starting at $2.99
Broccoli - Sprouting - Di Cicco (Organic)Organic DiCicco Broccoli Seeds - Packet
-0
Heirloom
Organic
Broccoli Seeds - Di Cicco (Organic)
Starting at $2.99
Green Sprouting Calabrese Broccoli SeedsGreen Sprouting Calabrese Broccoli Seeds Packet
-0
Heirloom
Broccoli Seeds - Green Sprouting Calabrese
Starting at $2.49
Broccoli Destiny Hybrid Garden SeedNon GMO Destiny Hybrid Seed
-0
Broccoli Seeds - Destiny Hybrid
Starting at $3.99
Spring Raab Rapini Broccoli Vegetable SeedsSpring Raab Rapini Broccoli Vegetable Seed Packet
-0
Heirloom
Broccoli Raab Seeds - Spring Rapini
Starting at $2.49
Di Cicco Broccoli Garden SeedsDi Cicco Broccoli Garden Seed Packet
-0
Heirloom
Broccoli Seeds - Di Cicco
Starting at $2.49
Romanesco Broccoli Seeds - Non-GMORomanesco Broccoli Seed Packet
-0
Heirloom
Broccoli Seeds - Romanesco
Starting at $2.49
Broccoli Seeds - Chinese Broccoli - KailaanPremium Bulk Seeds - Mylar Package
-0
Heirloom
Broccoli Seeds - Chinese Broccoli - Kailaan
Starting at $3.99
Organic Romanesco Broccoli SeedOrganic Romanesco Broccoli Seed Packet
-0
Heirloom
Organic
Broccoli Seeds - Romanesco - Organic
Starting at $2.99
Broccoli Seeds - Chinese Broccoli - Early Jade - HybridPremium Bulk Seeds - Mylar Package
-0
Broccoli Seeds - Chinese Broccoli - Early Jade - Hybrid
Starting at $3.99
Early Purple Sprouting Broccoli SeedsNon-GMO Early Purple Sprouting Broccoli Seed Bag
-0
Heirloom
Broccoli Seeds - Early Purple Sprouting
Starting at $2.49
Chinese Broccoli Seeds - Suiho - Hybrid - Kitazawa Spring SALEChinese Cabbage Seeds - Suiho - Hybrid
-30%
Chinese Broccoli Seeds - Suiho - Hybrid - Kitazawa Spring...
Starting at $2.79
Broccoli Raab Seeds - SorrentoPremium Bulk Seeds - Mylar Package
-0
Heirloom
Broccoli Raab Seeds - Sorrento
Starting at $2.89
Broccoli Seeds - Chinese Broccoli - Late Jade - HybridPremium Bulk Seeds - Mylar Package
-0
Broccoli Seeds - Chinese Broccoli - Late Jade - Hybrid
Starting at $3.99
Broccoli Seeds - Chinese Broccoli - Big StemPremium Bulk Seeds - Mylar Package
-0
Heirloom
Broccoli Seeds - Chinese Broccoli - Big Stem
Starting at $3.99
ramoso santana broccoliramoso santana broccoli seed packet
-0
Heirloom
Broccoli Seeds - Ramoso Santana
Starting at $2.49
Broccoli Seeds - Purple Sprouting (Organic)Broccoli Seeds - Purple Sprouting (Organic)
-0
Heirloom
Organic
Broccoli Seeds - Purple Sprouting (Organic)
Starting at $2.99
early fall rapini broccoli raabnon gmo early fall rapini broccoli raab seed bag
-0
Heirloom
Broccoli Raab - Early Fall Rapini
Starting at $2.49
Broccoli, Sprouting - Mendocino F1 Untreated Seeds
-0
Broccoli, Sprouting - Mendocino F1 Untreated Seeds
Starting at $16.60
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