Seeds That Need Stratification

SEEDS THAT NEED STRATIFICATION.

All of these seeds can be directly sown in the ground in autumn/fall if desired. Planting outside can be done into early winter. As long as the soil can be worked and it's not waterlogged you can still plant your seeds.

	COMMON NAME	LATIN NAME	NOTES
1.	American Spikenard	Aralia racemosa	Easy. Just needs some moist cold. Works well in a cold garage over the winter months.
2.	Angelica	Angelica archangelica	Easy. Just needs some moist cold. Works well in a cold garage over the winter months.
3.	Black cohosh	Cimicifuga ramosa	Difficult. Needs warm cold warm sometimes a second cycle is needed. Best sown outside. Does germinate but challenging.
4.	Blackberry Lily	Iris domestica	Really easy. Little moist cold ensures all seeds germinate quickly. Works well in a cold garage over the winter months.
5.	Butterfly Weed	Asclepias tuberosa interior	Easy. Just needs some moist cold. Works well in a cold garage over the winter months.
6.	Geranium - Wild	Geranium maculatum	Easy. Just needs some moist cold. Works well in a cold garage over the winter months.
7.	Gloriosa Daisy	Rudbeckia hirta	Sometimes needs cold to germinate. We keep seeds cold so may be fine. Sow for cold garage to be sure. Or keep seeds in the refridgerator and sow at normal time. If they dont germinate use cold treatment at that time.
8.	Jewelweed Pale	Impatiens pallida	Sometimes is needs cold sometimes if fine without. We keep our seeds cold so hopefully they should germinate fine without it. If not then give cold treatment.
9.	Joe Pye Weed	Eupatorium maculatum	Easy. Just needs some moist cold. Works well in a cold garage over the winter months.
10.	Maral Root	Leuzea cahamoides or Rhaponticum carthamoides	Fairly easy but can be finicky. Needs moist cold to germinate. Must be seeded and grown in cool to cold conditions. If done to its specifications most will germinate first year. If it's not happy with the amount of cold germination can be spotty and some may not germinate until second year.
11.	Passion Flower Maypop	Passiflora incarnata	Can be challenging. This one is finicky. Needs cold but also needs soaking as seed coat is hard. Even if planted outside seeds should be scarified (roughed up) first.
12.	Rose Campion	Lychnis coronaria	Easy. Just needs some moist cold. Works well in a cold garage over the winter months.
13.	Rugosa Rose	Rosa Rugosa	Easy. Just needs some moist cold. Works well in a cold garage over the winter months.
14.	Senna-American	Senna marilandica	Easy. Just needs some moist cold. Works well in a cold garage over the winter months.
15.	Swamp milkweed, Pink Milkweed	Asclepias incarnata	Easy. Just needs some moist cold. Works well in a cold garage over the winter months.
16.	Thistle - Scotch	Onopordum acanthium	Little more finicky. It needs moist cold and works well in cold garage or even left outside in pots. Most seeds then germinate but some may not germinate until the second season.
17.	Winter aconite	Eranthis hyemalis	Easy but very time consuming. Can take time to germinate. Best sown direct and left alone. Do not disturb area where seeds are sown its finicky about being moved. Usually germinated after first winter but can take up to three.
18.	Woodruff sweet	Galium odoratum	Must have moist cold to germinate
19.	Plum Yew	Cephalotaxus harringtonia	Needs moist cold to germinate. Its slow and does not all germinate in the same year.

DETAILED STRATIFICATION INSTRUCTIONS

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Janice Hazeldine PhD is the owner and head grower of Floral Encounters an organic Medicinal Herb farm that is also a designated sanctuary for pollinators.