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Your Essential Fall Planting Plan

There's no better time than fall for getting your garden planned for the rest of the year, and we've got the tips to help

Kathleen N. Brenzel, Julie Chai, and Johanna Silver

Fall is the ideal time for undertaking many garden projects—things are settling down for a long winter rest, and rejuvenating rains are on their way. Now is the time to hammer out your plans for the entire garden-year, and we’ve got some tried-and-true tips to help you get started. Following these basic fall planting tips will yield major results in not just how your garden looks in autumn, but how well it performs year-round.

1 /11 Photo by Thomas J. Story

At the nursery: Buy the best

One of the most important fall planting tips we can offer is to start strong with the healthiest plants you can find. Look for plants that have healthy foliage and no roots creeping out of the nursery container’s bottom drain holes (which means they’re probably rootbound).
2 /11 Photo by Carmel Zucker

Small is smarter

When you have a choice, buy little plants (in 4-inch nursery pots); they’re less expensive (usually under $5), easier to handle, and will catch up to the larger ones with winter rains. Smaller plants are your best bet if your fall planting plan requires multiples to fill out a bed. Gallon-size plants, on the other hand, start around $10 each but can provide instant effects.
3 /11 Photo by Emily Nathan

Read the plant tags

Another important fall planting tip is to exercise a little restraint. Take a moment to read the plant tags. Find out how big the plants will grow, and whether they need sun or shade. Then choose plants that will thrive in the spot you have in mind for them. “Full sun,” for example, means you should plant in a spot that gets at least six hours of sun a day.
4 /11 Photo by Thomas J. Story

Consider compost

Unless you have your own compost pile at home, or perfect garden soil that drains well, buy bagged compost to add to the soil before planting annuals, edibles, and many ornamentals (trees and native plants generally do not need added compost). It’s often sold at nurseries in 1- and 2-cubic-foot bags, and in bulk at garden suppliers. Avoid bagged compost that looks as though it has been piled and stored in hot sun for months—it won’t do much for your soil. If you need to cover a lot of area, consider having a few yards delivered from a landscaping supply company.
5 /11 Photo by Thomas J. Story

In your garden: Improve your soil

To prepare your beds for fall planting, first, dig up the existing garden soil to a depth of about 10 inches, breaking up clods and removing stones as you go. Then (unless you’re planting trees or natives) spread 4 to 6 inches of compost over the area and dig it in. Rake the soil until it’s level and smooth.
6 /11 Photo by Thomas J. Story

Plan to water

Set up a watering system if you don’t already have one. Drip is ideal for many plants, but soaker hoses or hose-end sprinklers work too.
7 /11 Photo by Thomas J. Story

Provide room to grow

One of the hardest fall planting tips to follow is this one: allot plants enough space to reach their full sizes (when in doubt, read the label). It’s tempting to cram them closely together when they are small, but a crowded plant never grows well.
8 /11 Photo by Carol Von Zumwalt

Soak 'em

Even if you've put in irrigation, it's a good idea to Water plants still in their nursery containers with a hose before planting.
9 /11 Photo by Sunset

Plant

For successful fall planting, follow these tips: First, slide the rootball out of the container and gently loosen the roots on the sides with your hands. Using a shovel, dig a planting hole that is roughly twice as wide as the rootball and about as deep. Set the plant in the hole. Trees, shrubs, and perennials should sit about an inch above grade to allow for settling; annuals can be flush with the ground. If your native soil is loam and drains well, backfill the hole with it. If it’s sandy or heavy clay, mix compost into the backfill (except when planting trees or natives).
10 /11 Photo by Rob D. Brodman

Spread mulch

To prevent weeds and help retain moisture, lay 2 to 3 inches of mulch (such as fine bark) over the soil around plants. Avoid piling it against trunks, crowns, or stems, as that can cause rot. Don't use cacao fiber mulch if you have dogs—it can be poisonous to them.
11 /11 Photo by E. Spencer Toy

Nurture new growers

We have one last water-related fall planting tip: give new plants a good drink. All young ornamentals—even natives and drought-tolerant choices—need deep watering right after planting. Irrigate them deeply and thoroughly with the hose, even if you plan to let drip irrigation take over later. Give them regular water through the winter if rains are slight, and then beyond until they reach maturity at a year or two.