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Plant care for the plants you already own

Most care advice is written for everywhere, which means it is written for nowhere. The guides here are keyed to where you garden: what to do this season, when to cut back, what your own frost dates are, and what to check first when a plant looks wrong.

Last updated: September 2026

Care by season

What the yard needs now, and what can wait.

Freeze and frost

Start with your own dates. Look up the first and last frost for your ZIP code from the NOAA 1991-2020 normals, then work back from there.

When to cut back, prune, divide, and water

The questions where the answer is a week, not a technique.

  • When to Divide Native Perennials, and the Ones You Should Never Dig

    Divide spring and summer bloomers at least four to six weeks before your ground freezes, not on a fixed date. Here are the three signs a clump is ready, how to split it, and the taprooted natives that should never be dug.

  • When to Stop Pruning Native Shrubs Before Winter

    Extension services put the cutoff at mid-August. Pruning after that pushes soft growth that cannot harden off before frost. Here is the timing, the four-D exception, and what an August cut costs you next spring.

  • How to Water Native Plants Through Their First Summer

    The first summer is when most new native plants die, and the cause is almost always water. A deep, tapering watering schedule that pushes roots down, plus how to tell overwatering from underwatering.

  • Pull the Weeds Before They Set Seed

    Late summer is when annual weeds set seed, and one crabgrass plant makes about 150,000 of them. Here is the late-summer weeding pass that matters, in order, and what to do with what you pull.

  • Container Roses in August: Why the Advice Changes by City

    Illinois Extension says stop fertilizing roses after August 15. Clemson says stop six weeks before your first frost. Those are different dates in different cities. Here is the mid-August answer for ten metros, with the free local expert for each.

Something wrong with a plant?

Start from what you can see. Each page ranks the likely causes, gives you a check that takes a minute, and says when a cause is unlikely where you live.

Care by plant, region by region

These species carry care guidance written separately for each ecoregion they grow in, with the source for every claim. Open one and enter your ZIP to jump to your own region.

Or browse by region

Each region opens the ecoregions inside it, with the natives that grow there.

Care reminders for your own plants

Everything above is written for a plant in general. The app writes it for yours: watering that skips the rain, seasonal tasks timed to your region, and a freeze alert before the cold lands. Care is free, for every plant you own, native or not.