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If you live in the cold winter, frost-prone zones of 1, 2, 3, 4, 5, 6, and 7a, these seeds are for you! While January 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. Microclimates matter—coastal/urban spots run warmer; high elevation runs colder. 7b pockets can follow “Mild Winter” recommendations with protection.

Outdoors: Still too cold for tender annual veg/flowers. Mulch esposed 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 if feasible. 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—most ready to cut in 7–14 days.

Sprouts: Alfalfa, mung, clover, broccoli—ready in 3–7 days.

Starts to begin now under lights for transplant in early spring: Bulbing onion (intermediate-day or long-day)

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.

50 100 true //store.trueleafmarket.com/cdn/shop/t/54/assets/review-fallback.json?v=33078429469613971781712858278
Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites
10 Items
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Coleus Seeds - Wizard Series (Pelleted)Coleus Seeds - Wizard Series (Pelleted)
-0
Coleus Seeds - Wizard Series (Pelleted)
Starting at $3.39
Coleus Seeds - Jazz Combo Mixmid size pouch type seed packaging for - Coleus Jazz Combo Mix
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Coleus Seeds - Jazz Combo Mix
Starting at $4.19
Amaranth Seeds - Red Leaf - Hu Hsienmid size pouch type seed packaging for - Amaranth Red Leaf Hu Hsien
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Heirloom
Amaranth Seeds - Red Leaf - Hu Hsien
Starting at $3.99
Hypoestes Seeds - Splash Select SeriesHypoestes Seeds - Splash Select Series
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Hypoestes Seeds - Splash Select Series
Starting at $3.39
Coleus Seeds - Chocolate Covered Cherry (Pelleted)mid size pouch type seed packaging for - Coleus Chocolate Covered Cherry Pelleted
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Coleus Seeds - Chocolate Covered Cherry (Pelleted)
Starting at $7.64
Ricinus Seeds - Castor Beanmid size pouch type seed packaging for - Ricinus Castor Bean
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Ricinus Seeds - Castor Bean
Starting at $3.09
Coleus Seeds - Kong Series (Pelleted)Coleus Seeds - Kong Series (Pelleted)
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Staff Favorite
Coleus Seeds - Kong Series (Pelleted)
$20.63
Ornamental Millet Seeds - Jestermid size pouch type seed packaging for - Ornamental Millet Jester
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Ornamental Millet Seeds - Jester
Starting at $9.58
Heuchera Seeds - Ruby Bells (Pelleted)mid size pouch type seed packaging for - Heuchera Ruby Bells Pelleted
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Heuchera Seeds - Ruby Bells (Pelleted)
Starting at $3.99
Amaranthus Seeds - Splendens Perfecta TricolorAmaranthus Seeds - Splendens Perfecta Tricolor
-0
Heirloom
Amaranthus Seeds - Splendens Perfecta Tricolor
Starting at $2.89
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