Collect milkweed seeds in late fall when the seed pods are brown and open or green and easy to pop open. Do not collect open pods with numerous milkweed bugs on the seeds or pods.
Managing Asclepias Plants – How To Harvest Seeds And Control Spreading.
When do milkweed pods open. Seeds cant germinate if they have not been allowed enough time to mature on the plant. Milkweeds produce large seedpods 3 to 5 inches long after flowering. Process to Germinate Milkweed Seeds.
Milkweed plants produce distinct seed pods in late summer. There was a big learning curve for me in between the time I found out milkweed pods could be eaten and my understanding of how to forage cook and most importantly enjoy them. Milkweed will naturally reseed and spread over time.
Pick milkweed seed pods when they are dry and just starting to split open. Find a pod that hasnt burst carefully open a seam and youll find hundreds of brown seeds packed in a tight mass with some 900 long silky hairs. Pale green and covered with bumps the pods eventually turn.
You do not need to remove the pod from the plant to assess ripeness. Purchased seeds follow the planting instructions on the seed packet. Dry brown seeds indicate the ideal mature seed if.
Harvesting seeds too early. Separate the seed from the fluff and store in a paper envelope or paper bag. If you want to prevent volunteer seedlings a garden setting remove or secure all seed pods in early fall before they split open and spread their seeds.
After a long-bloom that can last much of the summer seed pods will form that open in the fall starting the cycle anew. Direct sow in fall or indoors in spring. GATHERING SEEDS Collect seeds when the seed pod turns tan and opens easily.
The seeds require several weeks of cold temperatures to germinate. You can collect these seeds once the pods have begun to turn brown and open sowing your own milkweed seeds. All parts of the plant contain white latexy sap that is filled with toxic cardiac glycosides.
Flowers occur in round clusters inflorescence about two inches in diameter and bloom from June through August. The Ascelpias viridis spider milkweed plants will be spaced 15 to 2 feet apart. Note Milkweed Seeds should be winter-sown or cold stratified for at least 30 days to achieve a high germination rate.
Pods are ripe when they open at the seam with light pressure. GROWING PERENNIAL MILKWEED FROM SEED. Milkweed seed ripens inside the pods at varying times but a majority of it ripens between mid to late September.
After you have made your collection spread out the pods and remove any milkweeds bugs you find on the pods or seeds. Pods do not always ripen at the same time so you should assess each pod individually. The pods can then be re-bagged in the onion bags and hung up to dry.
At this time of the year however it is the milkweed pods covered with rough spines that deserve a close look. The pods begin to dry out and fade from a light green to a graybrown color as they ripen. Pods are filled with seeds and floss a material attached to the seed that allows it to travel on the wind similar to.
Illinois needs to plant milkweed and a lot of it over the next 18 years to ensure the states official insects monarch butterflies survive. Their tips are pointed skyward exposing the seeds and their parachutes to the wind. You can harvest the seeds to plant them where youd like.
Milkweed Seeds We wrote a guide for harvesting Milkweed Seeds without making a mess. Milkweed bugs Oncopeltus fasciatus feed on milkweed seed but otherwise do not harm milkweed plants. If the seam does not split open with a gentle squeeze or press the pod is likely not ripe yet.
1-2 months after your seedlings have sprouted next spring pinch off extra plants or consider transplanting to achieve ideal spacing for your specific milkweed. Photo by Justin Wheeler When to Collect. The flowers eventually give way to bumpy seed pods that split open when mature and release windborne seeds with silky hairs.
Using insecticide to kill aphids. Typically these pods are horn shaped or otherwise long narrow and tubular. Fill your containers with moist potting soil.
Avoid introducing milkweed bugs into the bags in which you are placing pods. These poisonous compounds keep most predators from eating milkweed. If you miss the window of opportunity for fall planting winter sowing milkweed seeds is also an option.
Dont wait too long or the pods will burst open and the seed will blow away. You may want to have a look it is quick clean and easy. After the young shoots and buds form in the Spring and early Summer the pods are the last of the milkweed vegetables to enjoy in late summer theyre not to be missed.