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.