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Cauliflower Seeds, Rober
Description
(Brassica oleracea). This is one of the most productive and adaptable cauliflower we have ever grown. Rober can produce large, 12-inch heads with tight curds, despite fluctuations in temperature that would ruin many other varieties. We harvested perfect heads in the punishing Missouri early summer. This is a reliable and tasty variety from Poland.
- 65 days to maturity
- Full sun
- Sprouts in 7-10 days
- Seed Depth: 1/4" to 1/2"
- Plant Spacing: thin to 18-20"
- Ideal Temperature: 50-75 F
- Frost Hardy: Yes
Growing Tips, Tricks and FAQs
Growing Tips
Rober cauliflower adapts well to different climates and is highly productive. It can produce large, tightly packed heads that remain creamy white even in fluctuating temperatures. This variety is tolerant of heat, making it a reliable choice for various growing conditions.
When to Grow
Rober Cauliflower is best grown in the cool seasons of spring and fall. Start seeds indoors 6-8 weeks before the last frost date for spring planting. For a fall harvest, sow seeds in late summer. This timing helps avoid the intense heat of midsummer, which can cause stress to the plants.
How to Sow and Plant
Sow Rober cauliflower seeds about 1/4 to 1/2 inch deep in well-draining, fertile soil. Once seedlings have 2-3 true leaves, transplant them outdoors, spacing them 18-20 inches apart in rows that are 24-30 inches apart. Cauliflower grows best in soil with a pH between 6.0 and 7.0.
How to Grow
Maintain consistent moisture, as cauliflower needs steady hydration for proper head development. Mulching helps retain soil moisture and keep the roots cool. Fertilize with a nitrogen-rich organic fertilizer or compost tea every 3-4 weeks during the growing season. If the heads start to form and you want to maintain their color, you can blanch them by tying the outer leaves over the heads.
How to Save
- For a seed saving crop, isolate cauliflower from other brassicas (such as broccoli and kale) by one mile to avoid cross pollination.
- Select your best plants to keep for seed and leave them to flower.
- In short-season areas with harsh winters, the plants can be mulched and left in the ground with a row cover, and in the second season the plant will send up flower stalks from the head. As they mature, they will become seed pods.
- Once the plant has died back and the seed stalks/pods are brown and dry, pull the entire plant and hang it for up to two weeks in a dry, well-ventilated area.
- Break open the seed pods with your hands or a rolling pin over a container such as a bowl or plate, and separate and extract the seeds.
- Properly stored (keep them cool and dry!), the seeds of cauliflower and other brassicas will be viable for up to five years.
FAQ
When does Rober cauliflower mature?
It typically takes about 65 days, depending on growing conditions.
What kind of climate does Rober cauliflower prefer?
It grows best in cooler weather but is also known for its heat tolerance, making it versatile for different growing conditions. The ideal temperature for optimal growth is between 50 F and 75 F.
How should I deal with pests for Rober cauliflower?
Common pests include cabbage worms and aphids. Use row covers to protect young plants and organic options like neem oil for pest control.
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