Brassica oleracea 'Romanesco'
Cauliflower
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Cauliflower (Brassica oleracea 'Romanesco') - Description
Cauliflower 'Romanesco' has heads that are lime green with pointed, spiraled pinnacles. Cauliflower is best planted in summer for harvest in the fall, or midwinter in mild climates. Plant 18" apart to give the large plants adequate space. Mild, nutty taste.
Cauliflower (Brassica oleracea 'Romanesco') - Growth
Cauliflower is a cool-season biennial, grown as an annual. They grow best when allowed to mature during cool weather that does not rise above 70°F. Most places, cauliflowers work best as a fall crop.Once heads are 2" in diameter, it is a good idea to blanch them. Blanching will keep the heads white. To blanch, simply wrap the long outer leaves over the head and hold them together with twine, or rubber bands. Of course, varieites with colored heads won't require blanching.
Cauliflower (Brassica oleracea 'Romanesco') - Planting
Transplant seedlings or sow seeds about 90 days before the first fall frost date. In areas with cool-summers, it is possible to transplant seedlings in spring 2-3 weeks before the last frost date. In places with mild winters, like in the Pacific Northwest and the Gulf Coast, you can plant cauliflower in fall and allow crop to overwinter and mature in early spring.Before planting, work in a 2" layer of well-rotted manure or compost into the soil. Sow seeds 1/2" deep and 24" apart in rows spaced 3 feet apart.If growing indoors, start seedlings 4-6 weeks before moving outdoors to the garden. Make sure to transplant seedlings only when they have at least 5 leaves.
Cauliflower (Brassica oleracea 'Romanesco') - Pest
The two main pests of cauliflower are the cabbageworm and cabbage looper, which eat away at the leaves. Aphids, cutworms, woodchucks, and rabbits are known to attack young seedlings. Cauliflower is also prone to diseases such as fusarium wilt (cabbage yellowing), and black rot, which can cause stunting and rotting. The best way to combat these diseases is to grow resistant varieties, and rotate crops by not planting crops in the same ground for 3 years.
Cauliflower (Brassica oleracea 'Romanesco') - Interesting facts
Heads can come in colors such as white, purple, gold and green. Cauliflower, like its relative broccoli, hails from southern Europe. Unlike broccoli, cauliflower only produces one head per plant and despite their similar growing conditions, cauliflower is more difficult to grow. Eat cauliflower raw with dips, or try steaming and boiling to include in dishes.
Cauliflower (Brassica oleracea 'Romanesco') - Soil and irrigation
Water as needed to keep the soil moist. Typically atleast 1" of water per week is fine. Enhance water retention by mulching with organic material, such as straw or grass clipping.
