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Romanesco Broccoli Plants


Zone 7a | co692op added on June 28, 2019 | Answered

This is my first year growing Romanesco. The seed packet said that I would have my first head by July 1. When you look at my plants, there is no sign of heading anywhere and I don’t think I will get any heads from these plants.
What can you tell me?

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Certified GKH Gardening Expert
Answered on June 29, 2019

There are a few things to note here. Though they are more heat tolerant as far as Brassicas go... They will have a hard time in the heat of zone 7 (I'm in this zone too). Protecting from afternoon sun can help a little.

Another thing to consider is nutrient content of the soil. Too much nitrogen, or not enough potassium and phosphorus can halt flowering. This may need to be corrected for the future.

You may need to start these indoors under lighting well ahead of spring to give them enough of a mild temperature to finish outside before the heat comes.

This article will help: https://www.gardeningknowhow.com/edible/vegetables/broccoli/growing-romanesco-broccoli.htm

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