Ornamental crops can come under stress of one kind or another at any time but spring is arguably when it’s most likely.
Tender young shoots and buds will still be at risk from cold damage at that point in the year whether plants are on the nursery or in transit in the supply chain. It’s the stress caused by overheating, lack of water and too much or too little light, however, that can be more difficult to spot and manage.
Sudden changes in the weather, for example from cool and dull to hot and bright, can be particularly damaging if plants can’t adapt fast enough – think how quickly the temperature can climb in a greenhouse on a warm, windy day that would keep the vents closed. Modern monitoring systems (which we talked about in an earlier blog) can help you manage the greenhouse environment much more responsively; fans to keep the air moving and stop hot spots can also help.
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https://www.syngentaornamentals.co.uk/blog/advisory-blog/active-growth-crops-resilience
