500 Seeds of Epilobium glandulosum, Epilobium ciliatum, Fringed Wi...

500 Seeds of Epilobium glandulosum, Epilobium ciliatum, Fringed Willowherb, Northern Willow Herb

• USDA Zones: 2-9
• Seeds germinate after a period of cold, moist stratification. Please note: You do not need to stratify if you are fall planting or using a seed drill. Also, do not use this method if you are planting a seed mix and cannot keep the site moist. Mix seeds with equal amounts or more of damp sand, vermiculite, or other sterile media (moist—but not so wet that water will squeeze out of a handful). We use silica sand (purchased at a building supply center) for small quantities.
• For large quantities we use coarse grade vermiculite. Place mixture in a labeled, sealed plastic bag and store in a refrigerator (33–38°F). Stratify for the 60 days. If two months of this cold storage before planting is normally required to break the dormancy of these seeds, one month may work for many species if time is a constraint. Some seeds may sprout in the storage bag if moist stratified too long. If sprouting occurs, plant immediately.
• Seeds are very small or need light to naturally break dormancy and germinate. Seed requiring this treatment should be surface sown - no soil cover or just a dusting of soil should be applied. If grown in outdoor beds, sow stratified (if required) seed on a level surface. Cover with a single layer of burlap or cotton sheet. Remove cover after germination. Do not let soil dry out until seedlings are established.