I WOULD LIKE TO KNOW WHEN TO HARVEST MY HOLLYHOCK PLANTS AND WHEN CAN I HARVEST THE SEEDS PLZ?

Question

I have 2 Hollyhock plants and want to know when they stop flowering do I cut the stems down and harvest the seeds …

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Answer 1

You can pinch off the spent blooms during the growing season but be sure to leave some so they can go to seed. At the end of the season the seeds will drop off and grow next spring.

If you want to collect the seeds yourself to save or share, collect them when the seedpods have turned from green to yellowish to brown and are dry.

After you've collected your seeds, you can cut the stalks about 6 inches from the ground. Be sure they are mulched to protect the roots during winter.

https://www.gardeningknowhow.com/ornamental/flowers/hollyhock/winterizing-hollyhock-plants.htm