March is the month when most gardens really wake up. In colder regions, it is prime time for indoor seed starting and preparing beds. In milder climates, spring planting is already rolling, and in the warmest zones, the garden may be producing heavily while you begin shifting toward heat-loving crops.
Zones 1-7a: These zones experience cold winters with extended periods of freezing temperatures. In March, monitor soil conditions, thaw cycles, and late frosts as you prepare for early outdoor sowing. Indoors, this is a busy month for starting cool-season crops and hardy flowers under lights or in a greenhouse so they are ready to transplant as soon as the weather settles.
Zones 7b-9a: These zones experience mild winter weather and are warming quickly in March. Many cool-season crops can be direct sown outdoors, and succession planting helps keep harvests coming as temperatures rise. It is also a great time to start warm-season favorites indoors while keeping frost protection on hand for unexpected cold snaps. And of course, sprouts and microgreens are always in season indoors!
Zones 9b-12: Depending on your area, March can be peak garden season in these warm-winter zones. Many crops planted earlier are now producing, and this month often marks the transition from late cool-season planting to the start of warm-season gardening. In the hottest areas, you may begin planting heat lovers while timing your last rounds of tender cool-season crops before warmer weather arrives.
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Stainless Steel Wide Mouth Jar Lids
These replacement wide mouth mason jar lids are made from 316 stainless steel and include a durable silicone gasket. We make these lids 30% thicker than other stainless lids on...
Stainless Steel Hydroponic Microgreens Grower
Re-usable hydroponic grow trays for growing microgreens, wheatgrass, and cat grass on any home windowsill or counterop. Our stainless steel system includes growing trays and a wire mesh designed specifically...
The True Leaf Market Vegetable Growing Guide
Get the True Leaf Market Vegetable Planting Guide! The PDF version is free, just click below to download, or purchase the print booklet with FREE shipping. In this booklet, you'll...
pH Test Strips
50 Litmus Strips & Color Comparison Chart. Simple and inexpensive method to roughly measure the pH of your water. Includes instructions on adjusting pH with household ingredients. The most inexpensive...
Tray Insert - 32 Cell - 8x4 Nested
Made from BPA free polystyrene, each sheet of these seed starter greenhouse tray inserts has 32 planting pots configured in eight groups of 4 connected pots (2x2 configuration). Each 4...
Dial Seed Sower
This handy seed sower has 5 different size seed openings so you can use it for a broad range of seed sizes. The compartment is easy to load and unload,...
Perlite Soil Amendment
Pure horticultural grade perlite. Granule size about one-eighth of an inch. Perlite is made from all-natural volcanic rock that is heated under pressure until it explodes like popcorn, leaving a...
Tray Insert - 48 Cell - 12x4 Nested
Made from BPA free polystyrene, each sheet of these seed starter greenhouse tray inserts has 48 planting pots configured in 12 groups of 4 . Each 4 pot section has...
Self-Watering Growing Trays (Small)
Self-watering microgreens grow trays for growing small quantities of microgreens on any countertop or windowsill without the worry of constant monitoring of water supply. Self-Watering Growing Trays (Small) Each tray...
The True Leaf Market Herb Growing Guide
Get the True Leaf Market Herb Planting Guide! the PDF version is free, just click below to download, or purchase the print booklet with FREE shipping. In this booklet, you'll...
Micro Punnet Tray - Microgreens
These single serving growing trays measure approximately 2" by 3" and are 2" high. They are designed to work perfectly with 2x3" Micro Mat 2x3" Hydroponic Grow Pads. Designed to...
Coco Coir Fiber - 10x20 Hydroponic Grow Mats
All-natural coconut coir fiber is plentiful and sustainable. Woven into sheets and cut to fit standard 1010 or 1020 nursery trays, coco coir makes a great growing medium for microgreens,...
Easy Sprout Seed Sprouter
The EasySprout Sprouter is the perfect choice as a low volume sprouter. Grow up to 1 lb batches at a time. Its a convenient low-rinse sprouter. It has a vented...
Easy Seeder
The tool every gardener must have! Reduce the endless thinning, Stop wasting seeds. With the Easy Seeder seeds go where you want them. Step 1: Choose the seeder where the...
1020 Clear Humidity Dome - Extra Strength
Heavy-duty plastic Humidity Dome for 1020 Trays by Bootstrap Farmer. These are the most durable humidity domes on the market, designed to stand the test of time. Made from extra-strength...
Stainless Steel Wide Mouth Jar Rings
These replacement wide mouth canning jar rings are made from 316 stainless steel. We make them 30% thicker than other stainless rings on the market, for a lifetime of dependable...
pH Test Indicator Drops
pH test drops by General Hydroponics. Complete pH testing Kit. Simple and inexpensive method to roughly measure the pH of your water. More accurate than pH test strips. Good for...
Tray Insert - 12 Cell Trays
12 Cell Plastic Trays with Holes. Microgreens. Gardening. Wheatgrass. Seed Starting. 12 Cell plastic trays fit any 20x10 microgreens watering tray and come pre-cut with easy and large drainage holes....
Cover Crop Inoculant - Alfalfa and Clover
Mountain Valley Seed Company cover crop seed inoculant is a reliable and safe powder inoculant full of essential rhizobia bacteria for all Alfalfa and clover cover crops to increase the...
22 x11 Perma-Nest Planting Trays
These heavy-duty, polystyrene, plant trays measure 22"x11" and have no drain holes. They are perfect drip trays for growing microgreens, wheatgrass or for use as a greenhouse drip tray. Click...
Self-Watering Growing Trays
Self-watering microgreens grow trays for growing small quantities of microgreens on any counter top or windowsill without the worry of constant monitoring of water supply. Each tray combo consists of...
GSE - Grapefruit Seed Extract
100% natural liquid extract of grapefruit seeds suspended in vegetable glycerine, without alcohol, solvents, or chemicals. Grapefruit Seed Extract may be used as a dietary supplement or for deterring mold...
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