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MilestonesInitial Notes:Vendor: Georgiavines.comAsclepias sullivantii - Prairie Milkweed (Seed): Rhizomatous Spreads by runners. Wetland Code Upland Occurs almost never in wetlands under natural conditions (estimated <1% probability) Germination Code: A, C A: A No pre-treatment necessary other than cold, dry storage (also called dry cold stratification). Seed should germinate upon sowing in a warm location. C: Seeds germinate after a period of moist, cold stratification. Please note: Do not use this method if you are planting a seed mix and cannot keep the site moist. Also, do not stratify if you are fall planting or using a seed drill. 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 refrigerator (33–38°F). Two months of this cold storage before planting is normally required to break the dormancy of these seeds, but one month may work for many species if time is a constraint. Exceptions to length of storage time are noted in the Cultural Guide in parentheses [Example: C(90) = C for 90 days]. Some seeds may sprout in the storage bag if moist stratified too long. If sprouting occurs, plant immediately. Another method of breaking dormancy for species requiring moist stratification is to sow seeds outdoors in the fall so they may overwinter. Soil Moisture Wet Mesic Excessively wet in winter, spring, and after heavy rain, but often dries in summer. Mesic Medium moist. Water soaks in with no run-off. Average garden soil. Sun Exposure Prairie Plants normally grow in full sun. Should do well with up to 20% shade. Height 3' Color Pink Bloom Time June, July, August Entries and Updates
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