Key Growing Information
Bupleurum | Key Growing Information
Learn how to grow bupleurum (thorow wax), including how to direct-sow or start seed indoors, cultural requirements, and flower harvest, from Johnny's Selected Seeds.
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5 Cool Flowers to Plant Now | Lisa Mason Ziegler's Secrets for Growing Hardy, Cool-Season Annuals
Here are Lisa Ziegler's 5 recommended "Cool Flowers" — cold-tolerant hardy annuals for overwintering and shoulder-season growing for the earliest possible blooms in spring.
Get a tour of our overwinter bupleurum trials, with variety recommendations and tips for successful bupleurum overwintering, from the research team at Johnny's.