Guides
Seed starting indoors
Seed starting here is named-source method notes — not a universal formula. Weeks stay on the cited card. This page does not sell a product.
One source per card. Named-source examples — not a national seed-starting rule.
Illustrative photograph — not a cited bed.
What the sources say — at a glance
One source per card. Facts are not averaged.
UMN Extension (Minnesota)
Peat and vermiculite, without any true soil.
Details and limits (2)
Method
UMN Extension (Minnesota): commercial seed-starting mixes are usually peat and vermiculite, without any true soil. Named materials — not a product.
Limit
Minnesota starting-seeds sheet. Named materials — not a product.
UMN Extension (Minnesota)
Basement. Away from drafts. Air above 60 °F.
Details and limits (2)
Method
UMN Extension (Minnesota): start seeds in a safe location, away from cold drafts and excess heat, such as a basement. Air temperatures should be kept above 60 °F.
Limit
Minnesota starting-seeds sheet. Named method — not a national formula.
UMN Extension (Minnesota)
Two weeks before planting outdoors. A few hours in the shade.
Details and limits (2)
Method
UMN Extension (Minnesota): two weeks before planting outdoors, move seedlings outside. Start with a few hours in the shade. Method — not a national formula.
Limit
Minnesota starting-seeds sheet. Named method — not a national formula.
Maryland Extension (Maryland)
Per-crop weeks on the Maryland sheet.
Details and limits (2)
Method
Maryland Extension (Maryland): leafy greens 2 to 4 weeks; cabbage, broccoli, and cauliflower 4 to 6 weeks; cucumber, squash, and melons 3 to 5 weeks; tomato 5 to 6 weeks; pepper, eggplant, and onion 8 to 10 weeks. Named on their sheet — not a BioArva rule.
Limit
Maryland starting-vegetable-seeds sheet. Attributed weeks — not a BioArva rule.
Maryland Extension (Maryland)
Timing depends on planting date, germination, and transplant growth.
Details and limits (2)
Method
Maryland Extension (Maryland): timing of seed sowing depends on the recommended planting date for a specific crop, the speed of germination, and the rate of transplant growth.
Limit
Maryland starting-vegetable-seeds sheet. Named method — not a BioArva schedule.
Clemson HGIC 1259 (South Carolina)
Sterile soilless media. Avoid bagged topsoil.
Details and limits (2)
Method
Clemson HGIC 1259 (South Carolina): start in a well-drained, well-aerated, sterile soilless media. Avoid bagged topsoil. Named media — not a product.
Limit
South Carolina HGIC 1259. Named media — not a product.
Clemson HGIC 1259 (South Carolina)
Plastic wrap until germinated. Hold by the cotyledons.
Details and limits (2)
Method
Clemson HGIC 1259 (South Carolina): cover the flats with plastic wrap to retain moisture until the seeds have germinated. Hold each seedling by the cotyledons, not by the stem.
Limit
South Carolina HGIC 1259. Named method — not a product.
Illinois Extension (Illinois)
Seed starting mix, not garden soil. Peat, perlite, coconut coir, vermiculite.
Details and limits (2)
Method
Illinois Extension (Illinois): select a seed starting mix, not garden soil. Usually milled peat moss, perlite, coconut coir, and vermiculite. Named materials — not a product.
Limit
Illinois starting-seeds note. Named materials — not a product.
Illinois Extension (Illinois)
2 to 3 seeds. Cover with plastic. Remove once seeds germinate.
Details and limits (2)
Method
Illinois Extension (Illinois): place 2 to 3 seeds; cover the container with plastic to retain moisture and warmth; remove the plastic once seeds begin to germinate.
Limit
Illinois starting-seeds note. Named method — not a product.
Sources differ
Make it yours
Save the bed in the Field Book so next season is not a guess.
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No supplier on this page
When a partner is listed, it will be outbound and disclosed. Nothing to buy here. Fertilizer, soils, and pesticides stay off this slot.
Illustrative photograph — not a cited bed.
Water notes also sit beside watering basics.
How we know — methodology. Ranges and assertions are cited per source, not blended.