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Guaranteed To Grow Lookup Map

Enter your zip code to see plants that will work in YOUR garden. No more guesswork!

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USDA Plant Hardiness Zones

To help gardeners understand which plants will grow well for them, the entire USA has been segmented into ‘Plant Hardiness Zones’. Knowing your zone number is helpful when shopping for plants because:

  • Cold-area gardeners can avoid buying plants that simply won’t survive their lowest winter temperatures.
  • Warm-area gardeners can steer clear of plants that need a period of cold weather in order to bloom again.
Find your Plant Hardiness Zone here.

General Gardening Guides

We've gathered some general gardening information here, such as how to decipher plant names and what it means when a plant is described as "endangered." If you're looking for information specific to a type of plant — say, bulbs or perennials — look under the specific Gardening Guides for detailed articles.

First Frost Date Chart »

frost dates

When will your annual flowers be killed by frost? When will your gardening season end? This chart tells it all by giving you cities coast to coast and their "first killing frost date." Just check out your nearby cities, and you'll know when to expect it will happen.

Late Fall and Winter Planting Times »

Late Fall and Winter Planting Times

We hear the question all the time: "What's the best time to plant wildflower seeds in fall, in my area?" This article answers the question and more. It also relates wildflower planting to fall bulb planting time--sometimes doing both at once can save a lot of work.

About Common Names

How did the Forget-me-Not get it's name? And who was Black-Eyed Susan? Common names are fun and confusing. You'll find your Aunt Louise, who knew all about wildflowers, probably made up her own!

About Botanical Names

About Botanical Names

Before you move past this article, wait! It's not a complicated subject, and it's in plain English. You need to know this — just the basics. Without it, you can make big mistakes.

Plant Classification and How It Works »

Back to 8th Grade Biology. We promise this article is not boring or complicated. It's easy to read, and will give you the basic framework you need to understand the wildflowers you're growing.

The Facts About Endangered Plants »

The Facts About Endangered Plants

Don't believe everything you read...or hear. This is probably the area about wildflowers that includes the most mis-information of all. Here are the facts.

When Your Perennials Arrive »

Planting Bulbs

How to coddle your perennial plants from the moment they arrive. Potted plants and roots need special care after a long quick transit. Here's how to start each one right.

Improving Garden Soil »

What type of soil do you have? And what can you do to maximize its potential?

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