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Blue Cohosh will grow up to eight feet tall and will attract many pollinators to your garden. Blue Cohosh thrives in medium-moisture soils and is packed in partially shaded areas similar to its original forest habitat. Before planting, choose rich, acidic, moist soil with high levels of organic matter that is well drained. Blue Cohosh grows slowly, taking a year or longer to produce above-ground shoots. Your Blue Cohosh plant will eventually have many nodes. Once grown, leave the seeds and stalks over winter and cut them back in the spring.
Blue Cohosh is best propagated from rhizome cuttings or seeds. Divide your Blue Cohosh rhizomes during spring or in the fall. In contrast, Blue Cohosh plants can be started indoors from seed, while rhizomes typically yield the best results. To propagate your Blue Cohosh plants, cut the rhizomes into sections approximately 2 - 3 inches long, keeping the fibrous root attached to the rhizome sections. Plant the rhizome in an upright position 4 - 6 inches deep into the soil, and cover them with two inches of soil, ensuring that the rhizome section is vertical and spaced between 18 - 24 inches apart.
Blue Cohosh must have moist soil to thrive, yet do not over-water or allow the ground to become waterlogged since this will cause root rot and other diseases. Blue Cohosh does not require fertilizer; however, this plant thrives best in rich soil with a lot of organic matter. Amend the soil with compost, composted manure, or shredded leaves as a groundcover mulch to fortify the soil.
Pests that enjoy Blue Cohosh include cutworms and blister beetles; controlled with organic pesticides. Slugs and snails may also chew on Blue Cohosh foliage and are controlled using beer traps or sawdust, eggshell, or copper tape. Deer, opossum, and rabbits are attracted to Blue Cohosh as food, so install or apply repellents. Blue Cohosh must be in well-drained soil with good ventilation to prevent root rot or leaf spot. Blue Cohosh must be harvested in the fall of this plant’s fourth or fifth year after planting. The best time to reap Blue Cohosh is in the autumn since the weight of the rhizome and its medicinal properties reach their highest potency during this season.
An herb dryer or food dehydrator will help produce a large harvest when drying your Blue Cohosh rhizomes. Once dry, store the rhizomes in a burlap bag or cardboard box in a dry, cool, dark environment. Blue Cohosh that is dried is potent for up to one year.
Blue Cohosh is now available at TN Nursery with low prices and fast shipping.
Posted by Tammy Pletcher on Apr 21, 2022
I would recommend this plant indefinitely if you have clay soil. I'm very pleased with my purchase and definitely will be purchasing more to form hedges to keep the deer away
Posted by Caren Denney on Apr 21, 2022
My wife and I were very pleased with the purchase of many Blue cohosh from your company. It made a beautiful landscape around the outskirt of our property.
Posted by Amie Goldstein on Apr 21, 2022
On my recent purchases of Blue Cohosh, I was very impressed by the promptness of my order being processed as well as the product itself!
Posted by Brandy Wilkes on Apr 21, 2022
I was very pleased with this beauty that it would coincide with my soil. I have ordered several to make a hedge. I'm a very satisfied customer
We dig fresh our plants and ship immediately. We ship US Mail, Priority shipping. You will receive a tracking number once your plants ship. All plants will be fine in their packages for up to 3 days after receiving.
We sell only bare root plants. We dip the roots in tera-sorb silicone gel to retain ample moisture for transit and surround with plastic. This is superior protection for plants in transit for up to 12 days.
Open your plants and inspect the same day received. We offer 3 days to report any problems with your order. Bare root plants need to be planted within 2-3 days of receiving unless weather-related problems prohibit planting. Store in a cool place and keep roots moist and covered with plastic until they can be planted. Water for the first week daily after planting.