Purple broccoli thrives in well-drained, fertile soil with a pH level between 6.0 and 7.5, with a location that receives full sun. Prepare the soil by adding organic matter, such as compost or well-rotted manure, to improve soil fertility and structure. Space the transplants 18 to 24 inches apart and rows 2-3 feet apart, and water consistently to keep the soil evenly moist, especially during dry spells.
Purple broccoli is typically ready for harvest in late winter to early spring depending on the variety and local climate, just when the florets are still tight and dark purple in color, as over-mature florets can become bitter. Cut the central head and leave the plant to produce side shoots, which can also be harvested as they develop.
Site selection, soil preparation, and planting
Purple broccoli thrives in well-drained, fertile soil with a pH level between 6.0 and 7.5. Choose a location that receives full sun as it requires at least 6 to 8 hours of direct sunlight daily. Prepare the soil by adding organic matter, such as compost or well-rotted manure, to improve soil fertility and structure. Ensure proper drainage to prevent water logging, which can lead to root diseases.
Purple broccoli can be grown from seeds or transplants. Start the seeds 6 to 8 weeks before the last expected frost date and transplant them when they have 2-3 true leaves. Space the transplants 18 to 24 inches apart and rows 2-3 feet apart.
Care, maintenance, and harvesting
Water consistently to keep the soil evenly moist, especially during dry spells. Mulch around the plants to retain moisture, suppress weeds, and regulate soil temperature. Fertilize with a balanced, all-purpose fertilizer when transplanting and again when the plants are about half way to maturity.
Purple broccoli is typically ready for harvest in late winter to early spring depending on the variety and local climate, just when the florets are still tight and dark purple in color, as over-mature florets can become bitter. Cut the central head and leave the plant to produce side shoots, which can also be harvested as they develop. Purple broccoli farming can be a rewarding endeavor, providing a nutritious and visually appealing vegetable to market or enjoy at home.
