Over much of the USA, April is when the gardening season really gets going. Between preparing the soil and planting the early crops, it's easy to overlook important steps. We really recommend a garden journal as a way to map out what you want to do. Then fill in the whens and wheres. Don't forget to look around and notice what's happening in your area. When are the forsythia blooming? Are you hearing robins in the morning? These are links to the natural world, reasons why we are gardening. Don't forget to smell the roses.
Zones 1-7a: April is the bridge between the indoor seed-starting season and the first real outdoor planting in cold-winter zones. As soon as soil is workable, focus on bed prep, clearing winter cover, and making space for early direct sowing of hardy spring crops - often with row cover or low tunnels to buffer cold nights. Indoors, keep starting and potting up seedlings, and begin hardening off the earliest transplants on mild days so they are ready to go out as soon as your local frost window allows.
Zones 7b-9a: April is a peak planting month in mild-winter zones as soils warm and frost risk fades, opening the door to a much broader range of crops outdoors. Continue sowing cool-season favorites in early April, where nights are still chilly, but begin transitioning beds to warm-season planting through the month as temperatures stabilize. Succession sowing, trellising, and a little frost protection for surprise cold snaps help keep growth steady - and April is also an excellent time to harden off seedlings and get transplants established.
Zones 9b-12: April is full spring momentum in the warm-winter zones, with many gardens shifting decisively into warm-season planting while remaining cool-season crops finish strong. This is a great month to direct sow and transplant heat lovers outdoors, and to keep succession planting going so harvests don’t gap as days get longer and brighter. In the hottest areas, start planning for rising temperatures by watching irrigation closely, adding mulch, and timing your final rounds of tender cool-season crops before consistent heat arrives.
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![Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites]()
Radish Seeds - Chinese - Shunkyo
30 to 40 Days to maturity. Raphanus sativus. Shunkyo Chinese Radish Heirloom Seeds. Cool Season Annual. Shunkyo radishes are a hidden gem that originates from Northern China. These radishes grow...
Radish Seeds - Mino Early
Radish Seeds - Mino Early. Heirloom, Non-GMO. Raphanus sativus. 40-50 days. Cool season annual. Mino Early is a leading open pollinated radish (daikon) for summer to fall harvest in Japan....
Radish Seeds - Korean - Sushiro - Hybrid
55 to 60 days to maturity in spring and 35 to 40 days to maturity in fall. Raphanus sativus. Hybrid Sushiro Korean Radish Seeds. Cool season hybrid annual. Not a...
Leaf Radish Seeds - Saisai - Hybrid
30 to 40 Days to maturity. Raphanus sativus. Saisai Leaf Radish Hybrid Seeds. Annual. Leaf radishes are perfect for the gardener who wants tender, peppery radish greens that can be...
Swiss Chard Seeds - Cardinal - Organic
Organic Cardinal Swiss Chard Seeds. 75 days to maturity for bunching greens. 45 days to maturity for baby leaf. Can be grown in containers. Can be grown as sprouts. Beta...
Brassica Classic Trio Cover Crop Seed Mix (Organic)
40-60 Days to Maturity. Brassica napus, Brassica rapa, and Raphanus sativus. Organic 3 Brassica Classic Trio Cover Crop Seeds. Non-GMO, organic, annual, winter-killing. This cover crop mix is ideal for...
Zucchini Seeds - Storrs Green F1 Hybrid
45-50 Days to maturity. Cucurbita pepo. Storrs Green F1 Hybrid Zucchini Summer Squash Vegetable Seeds. Non-GMO, annual, F1 hybrid. A very early, medium green variety with sweet flesh and few...
Radish Seeds - Red Arrow
40 Days to maturity. Raphanus sativus. Red Arrow Radish Seeds. Non-GMO, annual, open-pollinated, heirloom, winter radish. While this variety was developed for its bright red stems at the microgreen stage,...
Swiss Chard Seeds - Cardinal
Cardinal Swiss Chard Seeds. 75 days to maturity for bunching greens. 45 days to maturity for baby leaf. Can be grown in containers. Can be grown as micro-chard. Beta vulgaris....
Leaf Radish Seeds - Saisai Purple - Hybrid
30 to 40 Days to maturity. Raphanus sativus. Saisai Purple Leaf Radish Seeds. Annual, Hybrid. This red-stemmed leaf radish will stand out in any dish you make with it! Saisai...
Cucumber Seeds - Morden Early
45-55 Days to Maturity. Cucumis sativus. Morden Early Cucumber Vegetable Seeds. Non-GMO, annual, open-pollinated, heirloom pickling cucumber. An extra early cucumber well suited to short-season areas. Developed in Manitoba Canada....
Okra Seeds - Rainbow Fiesta
Rainbow Fiesta Okra Seeds. 30 to 60 days to maturity. Abelmoschus esculentus. Open Pollinated. Annual. Approximately 500 seeds/ounce. Okra Seeds - Rainbow Fiesta Rainbow Fiesta is a gorgeous colorful blend...
Mustard Seeds - Red Mizuna - Hybrid
Mustard Seeds - Red Mizuna - Hybrid. Non-GMO. Brassica rapa Japonica group. 20-25 days for baby leaf, 40-50 days to mature. Cool season annual. This small broad leaf mustard has...
Bean Seeds - Bush - French Garden Yellow Fillet
45-55 Days to maturity. Phaseolus vulgaris. French Garden Yellow Fillet Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, bush, snap, wax bean. Suitable for growing in containers, garden plots, raised beds, and...
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