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]()
Broccoli - Waltham 29 - Microgreens Seeds
8-12 days. Broccoli makes an excellent microgreen, as it is one of the easiest crops to grow. It has a deliciously mild, fresh brocolli or cabbage flavor and makes a...
Pea - Speckled (Organic) - Microgreens Seeds
8-14 days. Speckled peas are particularly fine for pea shoot production. We only stock seeds with high germination rates so these tasty Organic peas can be sprouted or grown into...
Basic Salad Mix - Microgreens Seeds
8-12 days. A flavorful and colorful combination of microgreens that grow well together and can be harvested at 10 days. Contains conventional seed types of: Broccoli, Kale, Kohlrabi, Arugula &...
Sunflower - Black Oil - Microgreens Seeds
Non-GMO Black Oil Sunflower Seeds. Shell On (Whole), Non-GMO. Open Pollinated. Helianathus Annus. 8-12 Days for mature, delicious microgreens. Black Oil sunflower seeds are some of the best seeds for...
Arugula - Slow Bolt - Microgreens Seeds
6-8 days. Slow Bolt Arugula is easy to grow and grows fast as a microgreen. It's a favorite and generally considered a staple of the spicier side of microgreens and...
Amaranth - Red Garnet - Microgreens Seeds
8-12 days. Red Garnet Amaranth is a high-protein microgreen with stunning red and magenta tones. This heirloom variety can be used in salads or many oriental dishes. Amaranth - Red...
Pea - Green (Organic) - Microgreens Seeds
8-14 days. Green Pea microgreens are a staff favorite here at True Leaf! The tendrils add a unique texture while the stems have the same familiar crunch and sweet flavor...
Basil - Genovese - Microgreens Seeds
12-16 days. Use micro basil in place of regular basil in any recipe, for extra intense basil flavor. Micro basil pesto is amazing. Keep damp with regular misting until sprouted...
Swiss Chard - Ruby Red - Microgreens Seeds
11-21 days. A mild delicate spinach flavor and amazing red stem color. Makes an excellent choice to add to any micro mix for earthy flavor and striking color. Select a...
Kohlrabi - Purple Vienna - Microgreens Seeds
8-12 Days to maturity. Brassica oleracea var gongylodes. Purple Vienna Kohlrabi Microgreen Seeds. Try adding these as the base of a microgreen salad. Their mild cabbage flavor, paired with colorful...
Carrot - Microgreens Seeds
14-20 days. Carrots can be grown as microgreens. The green top when in microgreen stage has a delightful flavor of mild sweet carrot. The texture is like dill, without any...
Nasturtium - Jewel Mix - Microgreens Seeds
14-16 days. Nasturtium microgreen seeds pack a powerhouse of flavor when in the microgreen stage. They have beautiful variegated colors, especially in this Jewel Mix. Also known as nasturtium shoots,...
Cilantro Seeds - Leisure Splits - Microgreens Seeds
Non-GMO. Coriandrum sativum. This split seed has had the individual seeds separated from the multi-seed pods in which they grow naturally. Sometimes called 'monogerm cilantro', these seeds are better for...
Beet - Bulls Blood - Microgreens Seeds
11-21 days. Beets are a more advanced microgreen but well worth the effort because of its stunning color and bold flavor. It takes a bit more time to mature, but...
Buckwheat (Organic) - Microgreens Seeds
7 to 14 days. Organic Buckwheat Seeds. Buckwheat grows tall quickly, and loves sunlight. Early leaves may emerge yellow as the shell drops off, but will green up well in...
Radish - Triton Purple - Microgreens Seeds
6-10 days. This variety was developed specifically to produce reddish stems. Sprout stems are a colorful light purplish red with bright green cotyledons. And although the stems aren't as red...
Radish Seeds - Microgreen - Sango Purple
6-10 days. Sango Radish microgreens are substantial, crunchy and taste exactly like radish. Very easy and fast growers. Spectacular purple color makes a great choice to add color and pep...
Cantaloupe - Microgreens Seeds
8 to 10 days. Cantaloupe melon microgreens are a surprisingly easy and delicious microgreen to grow. Cantaloupe melon microgreens grow uniformly in soil. The flavor of these melon microgreens will...
Radish - Purple - Microgreens Seeds
6-10 days. Purple Radish is a solid, reliable and delicious microgreen. Cotyledons are mostly deep purple with occasional green, which make a beautiful highlight. The rosy stems and bright flavor...
Broccoli - Microgreens Seeds
8-12 days. Broccoli microgreens have a high sulforaphane content with a mild broccoli flavor. The greens are fast growing and substantial. Easy to grow and grows well in both soil...
Pea - Dundale, Dun Pea (Organic) - Microgreens
Certified Organic by Oregon Tilth. Dundale (Dun) Pea Seeds. Pisum sativum. Non-GMO. High Germination Rate. Microbial Tested. Resealable Package. Cover Crop, Sprouting, Microgreens, Survival Food Storage, Gardening, Soups & Cooking,...
Basic Salad Mix (Organic) - Microgreens Seeds
8-12 days. A flavorful and colorful combination of Organic microgreens that grow well together and can be harvested at 10 days. Contains the Organic seed types of Broccoli, Kale, Kohlrabi,...
Pak Choi - White Stem - Microgreens Seeds
8-12 Days to maturity. Brassica rapa subsp. chinensis. White Stem Pak Choi Microgreen Seeds. Pak Choi is a popular microgreen as it is easy to grow, mild in flavor, and...
Radish - Rambo (Organic) - Microgreens Seeds
6-10 days. Organic Rambo Radish is another striking radish that boasts the same wonderful dark cotyledons as Sango radish. The rosy stems and bright floral flavor add both a tasty...
Cabbage - Red Acre - Microgreens Seeds
6-14 days. Red Acre Cabbage microgreens grow petite red and violet stems with variegated shades of green leaves. A very popular seed to add to microgreen mixes. Pairs well with...
Radish - Rambo - Microgreens Seeds
6-10 days. Rambo radish is another striking radish that boasts the same wonderful dark cotyledons as Sango radish. The rosy stems and bright floral flavor add both a tasty and...
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