Best time to sow your seeds
Abies balsamea | Balsam fir | 60 / 5°C | Early Sept | Mid May | 0.5 | |
Acer tatarica | Tatarian maple | 45 / 5°C | Mid Oct | Mid May | 2 | |
Acer negundo | Manitoba maple | 45 / 5°C | Mid Oct | Mid May | 2 | |
Acer tegmentosum | Snakebark Maple | 120 / 5°C | Mid Oct | Mid May | 2 | |
Aesculus glabra | Ohio buckeye | 60 / 5°C | Late Sept | Mid May | 5 | |
Amelanchier alnifolia | Saskatoon berry | 120 / 5°C | Early Aug | Mid May | 1 | |
Betual papyrifiera | Paper birch | No treatment needed | Mid Sept or June | Mid Sept or June | 0.5 | |
Caragana arborescens | Caragana | Water Soak 24 hrs | Mid-Aug or June | Mid-Aug or June | 1.5 | |
Cornus stolonifera | Red-osier dogwood | 70 / 5 °C | Mid Sept | Mid May | 2 | |
Cotoneaster acutifolia | Cotoneaster | 90 / 20°C & 120 / 5 °C | Late Aug | Mid May | 2 | |
Crataegus arnoldiana | Arnold hawthorn | 90 / 20°C & 180 / 5 °C | Mid July | Mid May | 2.5 | |
Elaeagnus angustifolia | Russian olive | 90 / 5 °C | Mid Oct | Mid May | 2.5 | |
Elaeagnus commutata | Wolfwillow | 90 / 5 °C | Mid Oct | Mid May | 2.5 | |
Fraxinus pennsylvanica | Green ash | 60 / 5 °C | Mid Oct | Mid May | 1.5 | |
Halimodendron halodendron | Siberian salt tree | 15 / 5°C | Mid Oct | Mid May | 1 | |
Hippophae rhamnoides | Seabuckthorn | Water Soak for 48 hrs | Mid Oct or Mid May | Mid Oct or Mid May | 1 | |
Larix sibirica | Siberian larch |
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Mid Oct or Mid May | Mid Oct or Mid May | 1 | |
Malus baccata | Siberian crab | 30 / 5 °C | Mid Oct | Mid May | ||
Picea abies | Norway spruce | No treatment needed | Mid Oct or Mid May | Mid Oct or Mid May | 1 | |
Picea glauca | White spruce | No treatment needed | Mid Oct or Mid May | Mid Oct or Mid May | 1 | |
Picea pungens | Colorado spruce | 30 /5°C | Mid Oct | Mid May | 1 | |
Pinus contorta | Lodgepole pine | 60 / 5 °C | Mid Oct | Mid May | 1 | |
Pinus mugo | Mugo pine | 60 / 5 °C | Mid Oct | Mid May | 1.5 | |
Pinus ponderosa | Ponderosa pine | 30 / 5 °C | Mid Oct | Mid May | 1.5 | |
Pinus sibirica | Siberian pine | 60 / 20°C & 120 / 5 °C | Mid Aug | Mid May | 1.5 | |
Pinus sylvestris | Scots pine | No treatment needed | Mid Oct or Mid May | Mid Oct or Mid May | 1.5 | |
Prunus besseyi | Sand cherry | 140 / 20°C & 90 / 5 °C | Late July | Mid May | 2 | |
Prunus cerasus | Sour cherry | 90 / 5 °C | Late July | Mid May | 2 | |
Prunus fruticosa | Mongolian cherry | 120 / 5 °C | Late July | Mid May | 2 | |
Prunus nigra | Canada plum | 120 / 5 °C | Early Aug | Mid May | 3 | |
Prunus pensylvanica | Pin cherry | 120 / 5 °C | Late July | Mid May | 2 | |
Prunus tomentosa | Nanking cherry | 150 / 5 °C | Late July | Mid May | 2 | |
Prunus virginiana | Choke cherry | 30 / 20°C & 120 / 5 °C | Late July | Mid May | 2 | |
Pseudotsuga menziesii | Douglas fir | 60 / 5 °C | Mid Oct | Mid May | 2 | |
Pyrus ussuriensis | Ussurian pear | 60 / 5 °C | Late Sept | Mid May | 2 | |
Quercus macrocarpa | Bur oak | 120 / 5 °C | Late Sept | Mid May | 3 | |
Rosa woodsii | Wood’s rose | 90 / 20°C & 120 / 5 °C | Late July | Mid May | 1.5 | |
Rosa rugosa x woodsii | Hedge rose | 90 / 20° & 120 / 5 ° | Late July | Mid May | 1.5 | |
Sambucus racemosa | Red elder | 90 / 25°C & 120 / 5 °C | Late July | Mid May | 1.5 | |
Shepherdia argentea | Silver buffaloberry | 90 / 5 °C | Mid Oct | Mid May | 2 | |
Sorbus aucuparia | European mountain ash | 180 / 5 °C | Late Sept | Mid May | 0.5 | |
Symphoricarpus occidentalis | Snowberry | 120 / 25°C & 180 / 5 °C | Late July | Mid May | 1.5 | |
Syringa reticulata | Amur tree lilac | 90 / 5 °C | Late Sept | Mid May | 2 | |
Syringa villosa | Villosa lilac | 60 / 5 °C | Late Sept | Mid May | 2 | |
Tilia americana | American linden | 150 / 5 °C | Late Sept | Mid May | 2 | |
Tilia cordata | Littleleaf linden | 90 / 25°C & 90 / 5°C | Mid Aug | Mid May | 1.5 | |
Ulmus americana | American elm | No treatment needed | Mid June | Mid June | 1.5 | |
Viburnum lentago | Nannyberry | 150 / 25°C& 150 / 5°C | Mid June | Mid May | 2 | |
Viburnum trilobum | Highbush cranberry | 140 / 25 °C | Mid June | Mid May | 2 |