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Monthly guides

Houseplant care, by the month.

Watering schedules, fertilizer cycles, and pest pressure all shift with the seasons. Twelve monthly checklists pulled from primary horticultural sources \u2014 what actually changes about your plants every month.

winter

January

January is the lowest-light month of the year in most of the US, and the most common month for houseplant deaths. The cause is alm

winter

February

February is when you start seeing new growth tips on the plants that survived January. Wait for it before you change anything else

early spring

March

March is the official start of houseplant growing season. New growth ramps fast — your watering schedule and fertilizer routine sh

spring

April

April is peak growth season. This is the month your houseplants do their best work — and the month you can finally propagate aggre

late spring

May

May is when the choice opens up: keep plants indoors year-round, or move them outside for the warm months. The science is clear on

summer

June

June heat means peak water demand, peak fertilizer demand, and the first wave of mid-summer pest problems. Stay ahead of all three

summer

July

July is when AC creates a microclimate problem: dry air, cold drafts, and inconsistent light from drawn shades. All three stress t

summer

August

August is the last full month of strong growth. Anything you start now will mature before the October slowdown.

early fall

September

September is the handoff month. Outdoor plants come in, watering schedules taper, and the year’s last new growth happens.

fall

October

October is when houseplant growth slows visibly. The trick is recognizing it’s normal — not panicking and over-watering.

late fall

November

November is when heating systems kick on full-time. Indoor humidity drops below 30%. Half your houseplant problems for the next fo

winter

December

December is maintenance mode. Don’t propagate, don’t repot, don’t fertilize. Just keep the survivors alive.