Welcome to Seed and Harvest

broccoli cauliflower plant

Broccoli, part of the Brassica oleracea family, is one of the world’s most beloved vegetables and an invaluable source of protein, vitamin C and phosphorus.

To cultivate successfully, this crop needs well-drained soil with a pH between 6 and 6.5 and ample sunlight. A one to two inch layer of compost can further increase available nutrients in the soil.


Broccoli and cauliflower belong to the Brassica family of vegetables, making their cultivation difficult due to heavy feeding requirements, pests and environmental conditions that vary over time. Both require full sun with temperatures ranging between 40-70degF (4-21degC). Furthermore, sandy, well-draining soil that remains slightly acidic throughout their seasons of cultivation are ideal conditions.

Broccoli and cauliflower seeds should be started indoors 7-8 weeks prior to the last frost for early winter crops or outdoors two weeks before the first frost for spring crops. When seeded outdoors, broccoli plants need to be spaced about 18 inches apart while cauliflower requires slightly more room; 24 inches apart would be ideal.

Broccoli and cauliflower are hardy plants, yet susceptible to being killed by late frosts. Therefore, planting these veggies during fall or early spring when cooler temperatures are anticipated is recommended for optimal success.

Before planting, prepare the garden bed by clearing away rocks and debris that have built up over time, including any weeds growing in it, as well as mixing in fresh compost or organic matter like mulch from last season into its soil.

Soil pH is key to the success of broccoli and cauliflower plants, so be sure to test its levels prior to planting. An optimal range for these crops would be 6.8-7.8, however anything lower may reduce yields significantly.

Plant broccoli and cauliflower at least 3 feet apart in order to maximize yields while limiting competition for resources. As a buffer zone, plant onion sets, radishes, rosemary plants or chamomile to act as buffer crops between.

Once your broccoli and cauliflower plants are established, water them regularly to encourage strong root systems and side dress with an all-purpose fertilizer following transplanting. You may also side dress with balanced fertilizers for extra boost.

Before harvesting broccoli and cauliflower for harvesting, always check them for signs of rotting to help identify any potential issues. Signs of rot include dark spots, holes and mold growth.

To prevent cauliflower and broccoli from rotting in the future, plant these crops at different sites each year or use transplants and seeds that have been treated against specific diseases. Crop rotation and regular cleaning of gardening equipment will reduce bacterial growth that causes rot.


Broccoli cauliflower plants require proper care to produce a nutritious harvest that provides essential vitamins A, C, potassium and fiber.

They boast antioxidants and are low in sodium, making them versatile enough to be added into various recipes.

Plant broccoli and cauliflower seeds in cool climates during spring or fall when temperatures reach 40 degF or lower; their seeds can germinate as low as this temperature. A hard frost can kill them off; cover them with sheets or trash bags until spring arrives.

Plants require soil that is both rich in nutrients and well-drained. Cauliflowers thrive best in an acidic to neutral pH range; apply fertilizers containing higher concentrations of nitrogen when seedlings are young to promote leafy growth.

These plants require regular watering throughout their growing cycle to stay nourished. Furthermore, a cool and humid growing environment is ideal to ensure optimal health.

Broccoli and cauliflower should be harvested when they have reached full maturity and are ready for eating, with large, dense heads featuring creamy white hues.

As soon as your head reaches 6-8 inches in diameter, unbind and remove the leaves before tying them back together with soft twine for protection of its growing head.

As your crop develops, keep an eye out for insect issues and pests such as cabbage looper, imported cabbage worm, harlequin bug and aphids that could threaten it. By taking preventative steps and using chemical and biological treatments you can help lessen their presence and even eliminate some species altogether.

Cauliflower plants can be susceptible to dry soil and fluctuating temperatures, so for best results it is best to provide them with consistent moisture levels by regularly adding an organic liquid fertilizer such as Sea Organic to their soil. This should keep their plants looking their best!

Fall gardens of far northeastern Minnesota – from Duluth north – make the Romanesco variety of cauliflower an excellent choice, as its pointy Romanesco variety makes harvesting deliciously pointy heads an exercise in patience but their high quality certainly justifies it! These plants may take more work to cultivate than summer varieties but their exceptional harvest makes their cultivation well worth your while.


Cauliflower can be an intimidating vegetable to cultivate, and requires ideal growing conditions in order to thrive. Full sun and well-drained soil are optimal conditions. If the pH of your soil becomes too acidic, add lime to adjust its balance; or feed regularly using continuous-release fertilizers like Miracle-Gro(r) Performance Organics(r) Edibles Plant Nutrition Granules as another way of encouraging big heads.

Once cauliflower crowns have become big and firm, harvest them. Cutting off at their bases may be necessary; doing so can encourage side shoots to develop further and produce additional florets for harvesting.

To keep florets at their freshest, remove any extra soil and hang them upside-down in a cool, dry place for up to three weeks; you may also freeze them and enjoy them later!

No matter how you prepare your harvested broccoli cauliflower, it is crucial that it be thoroughly washed to rid any extra water or dirt and keep pests at bay. You could also sprinkle a bit of salt onto the florets for added freshness.

Broccoli is an delicious and versatile vegetable packed with essential vitamins B6, C and K as well as being high in dietary fiber to keep you feeling full for hours after each serving. Perfect for adding into soups, stews, stir-fries and more dishes!

Broccoli can help boost your metabolism, providing essential fiber and calcium. It’s an ideal food choice when trying to lose weight!

Make a delicious smoothie out of it! Not only is it an excellent source of potassium and vitamin A, but you can cook it several ways including steaming, sauteeing or boiling.

Broccoli makes an excellent side dish or snack when prepared as part of a delicious recipe, thanks to its crisp texture and mild flavor. Its versatility also makes it suitable for many recipes.

If you’re searching for an inexpensive and nutritious vegetable garden project, why not give broccoli or cauliflower plants a try? They can easily be grown from seeds and transplants or purchased as ready-grown plants.


Cauliflower is a cultivar of Brassica oleracea, which belongs to the cabbage family (Brassicaceae). Like broccoli, cauliflower is considered a cool-season vegetable that’s great for adding nutrition into your diet – rich in fiber, folate and vitamin C; plus many anticancer compounds including indole-3-carbinol and sulforaphane!

Cauliflower comes in many different varieties and colors, though most commercially available varieties are white. Their rich hue comes from anthocyanin antioxidants which may reduce heart disease risk as well as certain cancers. Purple cauliflower or “heirlooms” provide another alternative.

Before harvest, cauliflower plants should be covered with a light mulch to retain moisture and promote their growth. Furthermore, regular irrigation with high nitrogen fertilizer should be applied as this encourages leafy development.

As with most vegetables, broccoli cauliflower plants cannot be harvested until their heads have reached maturity and reached full growth. This may take up to one week for each head to form its mature size and form its tight, compact form.

Once the cauliflower head is ready to harvest, take steps to detach it from its stalk so that its remaining crown may continue producing buds for future harvesting. This will enable it to keep producing buds until harvest day arrives.

Ideal cauliflower heads should feature tight, compact structures with firm florets that are heavy for their size. No dark spots, holes or mold should be present.

To keep mold from developing on your head, it is best to store it in a cool environment such as a plastic bag or the refrigerator. This will prevent its florets from turning brown and wilting prematurely.

Cauliflower and broccoli leaves are increasingly sought-after on the market, appearing at both stores and farmers markets. A great bi-product crop for farmers while offering healthy yet delectable treats for eaters.

To prepare cauliflower stalks, first peel away its fibrous outer layer using either a paring knife or vegetable peeler and cut its stems into coins or batons for recipes.

2024 © Seed and Harvest. All Rights Reserved.