Settled warm weather generally encourages fast growth and is great for lush gardens and containers and for generous vegetable harvests.
Shear back catmints (Nepeta spp. and cvs., Zones 3–8), coreopsis (Coreopsis spp. and cvs., Zones 3–9), dianthus (Dianthus spp. spp. and cvs., Zones 3–9), and other early summer border stars by about half once their main flush of blooms fade. This will promote fresh leafy growth and possibly encourage later rebloom.
Keep up with vegetable garden chores. Weed often, and water if rain is lacking. Harvest frequently—at least every other day—to keep your plants producing well.
Maintain container plantings to keep them growing strong, with regular doses of liquid fertilizer and watering during dry spells.
Consider raising your mower blade by half an inch. Our cool-season lawn grasses tend to slow down as temperatures rise; cutting too low makes it easy for weeds to seed in.
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