Hardy annual bupleurum flowers are a great addition to the cut flower garden. Winter sowing bupleurum is an insanely easy way to grow this beautiful plant, especially if you’re trying it for the first time. In general, these plants are pretty cold tolerant. Here in zone 6, I can successfully overwinter them in the garden with the addition of a low tunnel.
Unfortunately, the are not hardy enough to survive my winter temperatures unprotected. For those who don’t have access to low tunnels, winter sowing is a great way to have success. Though overwintered plants will grow to much larger sizes, the plants grown from winter sowing were still plenty tall enough to use in flower arrangements.
Due to their cold tolerance, I usually begin winter sowing bupleurum seeds in late January and into February. Seedlings will be transplanted sometime at the end of March into the garden. As always, make certain to research this plant for yourself before growing it, as it is toxic. Safety first!
That’s it! I know that these posts are really quick, but I want to make sure to document the progress of my cut flower garden as much as possible. If you’ve grown this plant in the past, please let me know all about it in the comments below! Hope you’re having a great day!
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