Wall-o-water: Too Hot? - Knowledgebase Question

Hollis Hills, NY
Avatar for bogiemooki
Question by bogiemooki
May 7, 2000
Need an answer/recommendation FAST! I planted my tomato seedlings this past Saturday, protecting them from cold May nights with Wall-O-Waters. So what happens? We're in the midst of a freak heatwave, with temperatures predicted to top 90 for the next 3 days. Am I overheating the tomatoes? Should I remove the Wall-O-Waters? I'm concerned that, on the one hand, I'm breeding fungi that'll plague the tomatoes in July/August; on the other hand, I'm concerned that, once I remove the Wall-O-Waters, it'll be difficult to re-install them without damaging the plants. HELP!!

Answer from NGA
May 7, 2000
The plants do not require protection once nights are above about 45 degrees. Excessive heat is also stressful to the plants. This season is unusual, in that it is so hot so early, but baking the plants all day does them no good, so if they were mine I would remove them right away. Should night time temperatures dip again in the next week or so (unlikely, but it's always possible) you can cover the plants with cardboard boxes or garden row cover or something similar and temporary that can be removed in the morning before the sun overheats the plants. The Wall-O-Waters are only intended for early season use when it is still quite cold.

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