If you live in the cold frost-prone zones of 1, 2, 3, 4, 5, 6, and 7a, these seeds are for you! While December is typically filled with freezing temperatures and the occasional blanket of snow, you can still plant these recommended seeds indoors for both quick harvesting and a head start on the approaching garden season.
Outdoors: too cold for tender annual veg/flowers. If the soil is workable with a season-extending cover, plant garlic and shallots; otherwise, mulch beds for spring.
Dormant Sowing: This is the technique of broadcasting when the soil is cold below 50F, but not frozen. Gently press the seeds into the soil for good contact. Then water. The seed overwinters and sprouts naturally in the spring. We recommend dormant sowing wildflower mixes, poppies, larkspur, bachelor's buttons, calendula, rudbeckia, and columbine.
Indoors (For fresh harvesting)
Microgreens: sunflower, pea, radish, spicy brassica blends—cut in 7–14 days.
Sprouts: alfalfa, mung, clover, broccoli—ready in 3–7 days.
Herbs & greens under lights: cut-and-come-again lettuce, baby kale, arugula, basil (warm room).
Houseplants from seed (fun winter projects): coleus, polka dot plant - if you are feeling courageous, consider begonias or impatiens.
Starts to plant soon: perennial herbs; plan seed-starting calendars for onions (January), early brassicas (late winter), and warm crops (early spring).
Tip: Prioritize sanitation, airflow, and fresh seed-starting mix for indoor setups; run lights 14–16 hours/day for compact growth.
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Cilantro Seeds - Slow Bolt (Organic)
Non-GMO, Heirloom Organic Slow Bolt Cilantro Herb Garden Seed from True Leaf Market. Coriandrum sativum. Cilantro is native to regions in North Africa and West Asia. As a cool-season ancient...
Broccoli Seeds - Waltham 29
85-90 days. Waltham 29 Broccoli Seeds. Brassica oleracea var. italica. Annual. Non-GMO. Developed at the University of Massachusetts Amherst's historic research farm, Waltham Field Station, heirloom Waltham 29 broccoli garden...
Pea Seeds - Snap - Sugar Snap
60-70 Days to maturity. Pisum sativum. Sugar Snap Pea seeds. Non-GMO, open-pollinated, 1979 AAS winner. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to powdery...
Cabbage Seeds - Golden Acre
65 days. The Golden Acre cabbage is a crop that can be grown in climate zones three through twelve, and is resistant to yellowing diseases. This hardy plant produces heads...
Broccoli Seeds - Waltham 29 (Organic)
85-90 days. Organic Waltham 29 Broccoli Seeds. Brassica oleracea var. italica. Annual. Non-GMO. Developed at the University of Massachusetts Amherst's historic research farm, Waltham Field Station, Organic Waltham 29 broccoli...
Peppermint Seeds
90 Days. Peppermint Culinary Herb Seeds. Mentha sp. Non-GMO. A deliciously versatile and bright herb, peppermint seeds are a naturally occurring hybrid between culinary spearmint and watermint. Grown very similar...
Parsley Seeds - Dark Green Italian Flat-leaf
Petroselinum crispum Annual. 72 days. Non-GMO, Heirloom Dark Green Italian Flat Leaf Parsley Herb Garden Seed from True Leaf Market. Petroselinum crispum. Italian Parsley plants are hardy biennials often grown...
Brussels Sprouts Seeds - Long Island Improved
90-100 days. Long Island Improved Brussels sprouts seeds. Brassica oleracea var. gemmifera. Non-GMO. Brussels Sprouts can be grown in colder climates, and the crop is very tolerant of frost. While...
Spinach Seeds - Bloomsdale Long Standing (Organic)
35-50 days. Organic Bloomsdale Long Standing Spinach Seeds. Spinacia oleracea. Non-GMO. Heirloom. Organic Bloomsdale Long Standing Spinach provides bright flavor with tender leaves, as this annual is a popular variety...
Asparagus Seeds - Mary Washington
2-3 years. Asparagus Gardening Seeds. Asparagus officinalis. Perennial. Non-GMO. Open Pollinated. Mary Washington Asparagus seeds can be grown into a hardy vegetable and are fairly easy to grow as a...
Lettuce Seeds - Romaine - Parris Island Cos
65-70 days. The Parris Island Cos lettuce is a Romaine lettuce, which means it is among the most nutritious of lettuce varieties. These non-GMO seeds grow upright into tall heads...
Cilantro Seeds - Slow Bolt
Non-GMO, Heirloom Slow Bolt Cilantro Herb Garden Seed from True Leaf Market. Coriandrum sativum. Cilantro is native to regions in North Africa and West Asia. As a cool-season herb dating...
Celery Seeds - Utah 52-70
100 days. Utah 52-70 Celery Seeds. Apium graveolens var. dulce. Non-GMO. Heirloom. The Utah 52-70 is a variety of celery seed that is ideal for short seasons, as it can...
Arugula Seeds - Slow Bolt (Organic)
40-45 days. Organic Slow Bolt Arugula herb Seeds. Eruca vesicaria sativa. Non-GMO. Organic Slow Bolt arugula seeds are one of the fastest growing crops for home gardeners and, since they...
Cauliflower Seeds - Snowball Y Improved
70-80 days. Snowball Y Improved Cauliflower Seeds. Brassica oleracea var. botrytis. Non-GMO. Open Pollinated. Also known as "Self-blanching" cauliflower, Snowball y Improved is preferred among commercial growers for its ability...
Lettuce Seeds - Butterhead - Buttercrunch (Organic)
AAS Winner. 65 days. Recommended by Utah State University, Organic Buttercrunch is the most popular of the butterhead varieties. Approx. 16,000 seeds/oz. These non-GMO Buttercrunch seeds grow into vibrant, green...
Leek Seeds - Large American Flag
90-130 days. Large American Flag Leek Seeds. Allium ampeloprasum. Non-GMO. Open Pollinated. Large American Flag seeds produce leeks with large stems and leaves. This hardy crop can tolerate cold climates...
Chives Seeds - Garlic
85-90 Days to maturity. Allium tuberosum. Non-GMO, heirloom Garlic Chives Herb Garden Seed. Chives are native to regions in Asia and Europe. Garlic chive cultivars are also called "Chinese Chives"...
Dill Seeds - Bouquet (Organic)
Non-GMO, Heirloom Organic Bouquet Dill Herb Garden Seed from True Leaf Market. Anethum graveolens. Organic Bouquet Dill grows fast-maturing cool-season annuals and is native to West Asia and regions in...
Crimson Clover - Cover Crop Seeds
70-90 Days. Trifolium incarnatum. Cover Crop. Non-GMO. Annual. Heirloom crimson clover seeds are an ideal annual garden companion and cover crop for plants and soils deficient in nitrogen. Use to...
Lettuce Seeds - Butterhead - Buttercrunch
60-70 days. Buttercrunch Lettuce Seeds. Lactuca sativa. Non-GMO. Open Pollinated. An award-winning and absolutely hardy cultivar of butter head, Buttercrunch is tender, delicious, and looks as good in the garden...
Radish Seeds - Daikon Minowase
Raphanus sativus (45 days) AKA Japanese Minowase Daikon Radish. Daikon is a root vegetable reported to have originated in the Mediterranean and brought to China for cultivation around 500 B.C....
Kale Seeds - Vates Blue Scotch Curled
60-70 days. Vates Blue Scotch Curled Kale Seeds. Brassica oleracea var. acephalla. Non-GMO. Heirloom. The premier variety of curled kale, Vates Blue Scotch is a tenacious cold-weather favorite known to...
Lemon Balm Seeds
Melissa officinalis Perennial. Non-GMO, Heirloom Lemon Balm Herb Garden Seed from True Leaf Market. Melissa officinalis. Lemon Balm resides in the mint family and is native to regions in West...
Winter Rye - Cover Crop Seeds
This is rye grain (Secale cereale) - not Ryegrass (Lolium). It is not for over-seeding lawns. Open-pollinated. Annual. Heirloom. Non-GMO Organic winter rye cover crop is one of the most...
Spinach Seeds - Giant Noble
Non-GMO. Heirloom. Giant Noble Spinach Vegetable Garden Seed. Spinacia oleracea. The smooth and rich-green leaves of these spinach plants help provide this heirloom's name" as Giant Noble Spinach leaves grow...
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