Best answer
May to September
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When should I fertilize my lawn?
Summer Fertilizing A lawn will use its late-spring feeding to restore its carbohydrate reserves, so it can get through the ups and downs of summer. Drought, heat, frequent mowing, and other stresses can damage a lawn. Therefore, by late summer, the grass will be ready for another application of fertilizer.
When should I overseed my lawn in CT?
The best time to overseed your lawn in Connecticut is in late summer/early fall (mid-August to mid-September). The soil is warm, temperatures are cooler, autumn rains are more plentiful, and weeds are less active, creating an excellent environment for seed germination before leaves start falling and the winter cold arrives.
When is the best time to feed grass seed in Massachusetts?
In the Northeast and in Massachusetts (Zone 5-6) for example, you can begin to feed your lawn in April and May. Feeding your lawn too early can cause excessive top growth which isn鈥檛 ideal 鈥?particularly if there鈥檚 still risk of freezing overnight temperatures and morning frost.
How much slow release fertilizer should I Feed my lawn?
Adequately feeding 3/4 to 1 pound of slow-release nitrogen will allow the grass to rebuild its energy (carbohydrate) reserves and ward off the stresses of summer, such as drought, heat, traffic, disease, and insects. A polymer-coated slow-release fertilizer can feed the grass for up to 12 weeks.