How to grow Broccolini

Learn how to grow Broccolini with this handy guide. Find out the sun requirements, spacing, planting, feeding, and harvesting tips for this delicious vegetable!

Broccolini plants require rich, deep soil, firm with plenty of well rotted compost mixed in. 

Plant Broccolini in a full sun position.

While Broccolini plants will tolerate partial sun, it will affect the size and growth of the Broccolini spears.  

Yes, Broccolini plants are frost tolerant. 

Plant Broccolini around 45-50cm apart. 

Broccolini is a cool season crop that is usually planted in autumn, depending on your climate. 

Seeds can be sown indoors in late summer and transplanted in autumn. Seeds can also be direct sown in autumn. 

If transplanting, plant out in the early morning or evening and/or on an overcast day. Avoid planting at peak sun times or on windy days, this will allow your plants to settle in comfortably and protect them from windburn and sunburn. 

Feed your Broccolini plants with a regular application of organic fertiliser throughout the season. 

Harvest the Broccolini by cutting off the larger central head while it is still compact. If left too long it will start to separate and then flower.

After the central head of the Broccolini plant has been harvested, a continuous supply of Broccolini stems will soon start growing around the plant, harvest these stems regularly throughout the growing season.    

Pests that can affect Broccolini plants include: Aphids, Slug, Snail, Cabbage Moth, Cabbage White Butterfly, Diamondback Moth, Flea Beetle, Cabbage Worm, Thrips, Root Knot Nematode, Cabbage Looper, 28 Spotted Ladybug. 

Diseases that can affect Broccolini plants include: Alternaria Leaf Spot, Brassica Black Rot, Club Root, Downy Mildew, Sclerotinia Stem Rot, White Rust, Black Leg, Damping- off. 

Protect young Broccolini seedlings from pests at the time of planting.

Regularly check the undersides of leaves for eggs, or use fine mesh/exclusion netting to prevent white butterflies laying eggs on the underside of leaves, caterpillars can be detrimental to this plant.