How to Grow Purple Sprouting Broccoli
If you're a fan of broccoli, then you might be interested in growing purple sprouting broccoli. This variety of broccoli is not only delicious and nutritious but also adds a pop of color to your garden. In this article, we will discuss everything you need to know about growing purple sprouting broccoli, from selecting the right seeds to harvesting the perfect crop.
Choosing the Right Seeds
The first step in growing purple sprouting broccoli is to choose the right seeds. Make sure that you purchase seeds from a reputable supplier, as this will guarantee quality produce. When selecting seeds, look for varieties that are resistant to common plant diseases and pests.
It's important to note that purple sprouting broccoli takes longer to mature than regular broccoli. Therefore, it's recommended to start seeds indoors in early spring and transplant them outdoors when the plants are around 6 inches tall.
Preparing the Soil
Purple sprouting broccoli grows best in well-draining soil that is rich in organic matter. Before planting, prepare the soil by mixing in compost or aged manure. The soil should also be slightly acidic, with a pH between 6.0 and 7.0.
It's recommended to add a nitrogen-rich fertilizer to the soil before planting, as this will help stimulate growth. Avoid adding too much fertilizer, as this can lead to weak stems and small heads.
Planting and Growing
Plant purple sprouting broccoli in a sunny area of the garden, with at least six hours of direct sunlight each day. Space the plants around 18 inches apart to allow for adequate airflow and prevent overcrowding.
Water the plants regularly, particularly during dry spells. Ensure that the soil remains moist but not waterlogged, as this can lead to root rot. Mulching around the base of the plants can help retain moisture and suppress weed growth.
As the plants grow, they may require staking to prevent them from bending under the weight of their heavy heads. To do this, insert stakes into the ground next to the plants and tie the stems loosely to the support.
Harvesting
Purple sprouting broccoli can be harvested when the florets have formed but haven't yet opened. This typically occurs around 5-6 months after planting, depending on the weather conditions. Cut the central head with a sharp knife, leaving enough stem attached to the plant so that it can continue to produce side shoots.
Side shoots will continue to develop throughout the season, providing a continuous harvest. Cut these shoots when they are around 4-6 inches long, making sure to leave some stem attached to the plant.
Pests and Diseases
Like all plants, purple sprouting broccoli is susceptible to certain pests and diseases. Common pests include aphids, caterpillars, and flea beetles. These can be controlled using insecticidal soap or neem oil.
Diseases such as clubroot and downy mildew can affect the plant's growth and yield. To prevent these diseases, avoid planting in areas where brassicas have been grown in the past and practice crop rotation.
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