![]() Water them gently but thoroughly after sowing and keep them moist until they germinate (usually within 10 days). The holes should be 6-12 inches apart, while rows should be about 12 inches apart. Once the earth is ready, poke planting holes about a 1/4 inch deep. The ideal pH level for growing cauliflower and most other veggies is between 6 and 7 (slightly acidic), so test your soil beforehand if possible. Prepare the soil by removing any weeds or debris, then add compost or aged manure if nutrition is needed. Cauliflower needs plenty of sunlight and good drainage to thrive, so make sure you pick an area where the soil won’t stay wet for long periods. It’s important to remember that when planting cauliflower, you need to choose the right spot and prepare it properly.Ĭhoose a sunny spot in your garden with well-draining soil. Planting cauliflower seeds outdoors can be a great way to get your garden going. Finally, mulch around plants to help retain moisture during hot weather spells while also preventing weed growth from taking over your cauliflowers’ space. When transplanting seedlings into their permanent location outside (about 4 weeks after sowing), dig holes twice as wide as the root ball of each seedling and fill them with compost mixed with a slow-release fertilizer before placing each one into their new home.Īfter planting, water regularly but not too heavily aim for keeping moisture levels consistent rather than drenching every day or two. It may also keep damping off fungus at bay. This helps prevent shock from sudden exposure to outdoor elements such as wind or rain while allowing time for the root system to adjust before being permanently transplanted directly into garden beds outdoors. You may also consider reducing the night temperature for your seedlings down to about 50°-55☏ (10°-13☌) if fungal wilt has been a problem before.įinally, when weather conditions allow, you may want to gradually acclimate plants grown indoors by bringing them outside during daytime hours. Most brassica plants like cauliflower grow best when the plants are at about 60°-65☏ (16°-18☌). Cauliflower seeds usually sprout within about one week indoors. Place containers near a window where they can receive ample light throughout each day-ideally 8-10 hours per day-and keep temperatures between 65-75 degrees Fahrenheit during germination time (7-14 days). Gently press down on this layer so that all seeds are securely covered and will have direct contact with moisture when watered again later on. Plant 2-3 seeds in the hole and cover with more moist potting mix. Poke small 1/4 inch deep holes in each container. Make sure all your supplies and tools are clean to minimize the chances of spreading disease.įill your containers with moist potting mix. The key to successful indoor seed planting is providing the right environment for germination and growth.īefore planting, you’ll need to select a container with drainage holes at the bottom and fill it with clean potting mix that’s rich in organic matter. Depending on the climate and growing season, cauliflower can be planted indoors in either spring or fall. Planting cauliflower seeds indoors is a great option for an early start on your garden. Outdoors, you’ve got less control, but the cooler temperatures make the seedlings less prone to common fungal diseases. Indoors, you can put the seed-starting tray on a seedling mat or on a heated floor. The optimal soil temperature for cauliflower seed germination is in the range of about 45°-85☏ (7°-30☌). Water regularly, using lukewarm water if possible this will help keep your plants hydrated without shocking them with cold water. Place your pots near a window where they will receive plenty of sunlight, but not too much direct heat from outside temperatures. Cover the seeds with a bit of soil and water well. Use 2-3 seeds per hole if you’ve got lots (and thin out the weakest seedlings later). Sow the seeds in small holes about 1/4 inch deep. Fill each container with moist potting soil, leaving about a half inch of room. ![]() If planting indoors, use small containers or seed starting trays that drain out excess water easily. Cauliflower is most commonly started indoors as it transplants easily, but the seeds can go straight in the soil outside too. Cauliflower is considered a cool-season crop and prefers the cooler weather of shoulder season to the heat of summer.Ĭauliflower seeds can be sown indoors in seed starting trays for later transplanting out into the garden, or the seeds can be sown directly in outdoor soil. When planting cauliflower seeds, you should follow several important steps to ensure success. Planting cauliflower seeds is a great way to grow some of your own produce. Need more info? The basics of how to plant cauliflower seeds
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