Extreme Climate Winter Sowing.....zones 2,3,4


Here's a list of perennials to germinate via winter sowing in very cold winter climates. I'll be adding a few more varieties as I come across them so do check the list again from time to time.




Aconitum - (Monkshood)3
Ajuga reptans3
Alchemilla mollis - (Lady's Mantle) 3
Aquilegia - (Columbine) 3
Arisaema triphyllum - (Jack in the Pulpit) 3
Campanula - (Bellflower) 3,4,5 depending upon cultivar
Cerastium tomentosum - (Snow in Summer)2
Cimicifuga racemosa - (Snakeroot)3
Corydalis flexuosa - (Corydalis)4
Delphinium - (Larkspur)3
Dicentra - (Bleeding Heart)2
Eupatorium maculatum - (Joe-Pye Weed)3
Filipendula vulgaris - (Meadowsweet)3
Geranium - (Cranesbill Geranium)4-5, depending on cultivar.
Hemerocallis (Daylily) 4
Hepatica acutiloba - (Liverleaf)4
Heuchera - (Coral Bells)3-5,
depending on cultivar.
Hosta - (Plantain Lily)4
Iris 2-4, depending on cultivar.
Lamium maculatum - (Deadnettle)4
Leucanthemum x superbum - (Shasta Daisy)3
Lewisia - (Bitter Root)4
Ligularia - (The Rocket)3-4, depending on cultivar.
Lilium - (Lily)3
Lupinus polyphyllus - (Lupine)3
Lychnis - (Rose Campion)3
Meconopsis - (Blue Poppy)4
Myosotis - (Forget-Me-Not)4
Nepeta x fassenii - (Catmint)3
Oenothera tetragona - (Evening Primrose)3
Paeonia - (Peony)4
Phlox subulata - (Phlox)2
Physotegia virginiana - (Obedient Plant)3
Polemonium - (Jacob's Ladder)2-5, depending on cultivar.
Polygonatum biforum - (Solomon's Seal)3
Potentilla - (Cinquefoil)4
Primula - (Primrose)3-5, depending on cultivar.
Pulmonaria - (Lungwort)2,3,4, depending on cultivar.
Pulsatilla vulgaris - (Pasque Flower)4
Pulsatilla vulgaris - (Pasque Flower)3
Rudbeckia fulgida (Cone Flower)3
Salvia superba - (Sage)4
Saxifraga x arendsii - (Rockfoil)3-4, depending on cultivar.
Sedum - (Stonecrop)3-4, depending on cultivar.
Thalictrum delavayi - (Meadow Rue)4
Trollius - (Globeflower)4
Verbascum - (Mullein)4

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