May is the month when the gardening season shifts into high gear across most of the country. In cold-winter zones, the last frost is finally behind us, and it's time to get warm-season crops in the ground. In mild-winter zones, the garden is already humming, and the focus turns to keeping up with rapid spring growth. And in the warmest zones, the race is on to get heat-lovers established before summer temperatures take over. Whatever your zone, May is a month of momentum.
Zones 1-7a: May is the main planting kickoff in cold-winter zones, when gardens finally move from starts and prep into full outdoor action. Early May often still favors hardy transplants and direct-sown cool-season crops, while mid-to-late May is when many areas can safely set out warm-season plants as frost risk drops. Keep hardening off seedlings, use row cover if nights run cold, and focus on steady watering and early weed control so young plants establish quickly.
Zones 7b-9a: May is prime warm-season planting time in mild-winter zones, with soil temperatures rising and growth accelerating. This is the month to get main-season crops established outdoors, keep up with succession sowing, and set up supports before vines and tall plants take off. Watch moisture as days warm, mulch to hold soil moisture, and keep an eye out for the first big flush of pests as the garden hits its stride.
Zones 9b-12: May marks the shift into early summer conditions in the warm-winter zones, and gardens respond fast with rapid growth. Warm-season crops should be planted and growing strongly now, and succession sowing keeps harvests coming even as temperatures climb. Stay ahead of heat stress by mulching, watering consistently, and planting in the coolest part of the day - and in the hottest areas, begin planning for shade cloth and other summer protection.
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![Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites]()
Onion (Organic) - Microgreens Seeds
14 to 21 days. Onion Microgreens are very rich in flavor and nutrients. Put just a couple greens on a sandwich or in a salad and taste the flavor! Best...
Basil - Thai - Microgreens Seeds
18-30+ days. Thai Basil Microgreens Seeds are just as easy to grow as other varieties of basil microgreens seeds. Thai Basil, when grown as a microgreen, tastes like basil but...
Pea - Thomas Laxton - Microgreens Seeds
8-14 days. These tasty Organic peas can be sprouted or grown into pea shoots (pea microgreens) - which are a staff favorite! They are great in salads and can be...
Colorful Radish Microgreens Mix
8 to 12 days. A stunning colorful radish microgreen mixture sure to delight in any application. This non-GMO radish seed mix is super easy to grow, offering an incredible yield...
Chervil - Curled - Microgreens Seeds
Anthiscus cerefolium Annual. 12 to 26 days Finely cut curled leaves. Parsley-like flavor with a hint of tarragon. Use for soups, egg dishes, fish and sauces. Aromatic leaves. Best to...
Mustard - Mizuna - Microgreens Seeds
Up to 12 days. Mizuna is a fast, easy grower that makes a great choice as a secondary green in any salad. It has a very mild mustard / spice...
Seed Assortment: Basic Dozen Microgreens
A basic assortment of microgreens seeds. Experiment with some variety in your microgreens salads and garnishes. A nice mix of inexpensive and more expensive seeds. Includes Amaranth, Basil, Radish, Kale,...
Beet - Rainbow Blend - Microgreen Seeds
12 to 23 Days to Harvest. Beta vulgaris. Rainbow Blend Beet Microgreen Seeds. Non-GMO, open-pollinated, heirloom. This colorful blend combines multiple beet varieties to produce a tray of microgreens with...
Lettuce - Microgreens Seeds
8-14 days. Lettuce microgreens make a great salad base for a microgreens salad because of its mild taste and soft texture. They can also be grown into baby greens, which...
Crimson Clover - Organic - Microgreens Seeds
Crimson clover can be used to grow sprouts or microgreens, and is an ideal cover crop. Certified Organic. Trifolium incarnatum. Non-GMO. Sow in fall or late summer as a cover...
Fenugreek (Organic) - Microgreens Seeds
6-12 days. Organic Fenugreek seeds are popularly used in spice mixes and teas. Ground Fenugreek seeds is one of the primary ingredients in curry powder. Fenugreek seeds also make a...
Celery Microgreens Seeds
Celery Microgreens. Apium graveolens. 21-28 days. Microgreens. Non-GMO. Celery microgreens are a fast, fun way to get the savory and crisp flavor of celery in only a few days rather...
Mustard - Mizuna Red Streaks - Microgreens Seeds
Up to 12 days. Organic Red Streaks Mizuna Mustard Microgreens Seeds. A flavorful mustard sought after because of the spectacular red-purple highlights. Grows fast and tenacious. Mustard Microgreens are easy...
Basil - Cinnamon - Microgreens Seeds
18-30+ days. This variety of basil may look like any other with faint shades of bronze in its stems, but the aroma and flavor will tell you otherwise. While still...
Cress - Upland - Microgreens Seeds
Has a peppery tangy flavor and aroma that is popular on sandwiches. Use sparingly in micro salads for adding tang and spice. A fast grower. Great to add spice on...
Superfood Mix - Microgreens Seeds (Organic)
5-7 Days to maturity. See the attributes table below for Latin names. Organic Superfood Microgreens Mix Seeds. These nutrient-packed organic greens bring an array of flavors to your plate. From...
Seed Assortment: Microgreen Seeds - Soil Selection
A basic assortment of soil based microgreens seeds. Amazing microgreens salads and garnishes. This collection includes two of our all time favorite microgreens, Sunflower and Dun Pea. Also includes chard,...
Radish - Minowase - Microgreens Seeds
6 to 10 days. A Daikon-type of radish microgreen with cool white stems and dark green cotyledons. Minowase Radish is an ideal microgreen on the spicy side of flavor, but...
Collards - Vates - Microgreens Seeds
10 to 12 days. A tasty brassica microgreen! Resealable pouch of Vates Collard Greens seed for growing microgreens. A brassica that grows well hydroponically. Select a Different Use for This...
Basil Seeds - Red Rubin - Microgreens Seeds
68 Days. Annual. A dark-purple variety in both leaf and stem. Perfect for microgreens, this strain will also produce nice Italian large leaf type leaves with not only great color...
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