Expert advice for avoiding seed harvesting mistakes, to ensure your hand-raised plants will thrive next year. Homes & Gardens. Seed harvesting and collecting mistakes – 6 common pitfalls to avoid.

Last month’s weed of the month, common tansy (Tanacetum vulgare), is a highly invasive perennial plant native to Europe and Asia. It was brought to North America for medicinal, culinary, ...

I was about to find the best place to buy tansy seeds when I noticed that tansy is listed on the Invasive Plant Atlas of the United States, which notes that each plant is capable of producing ...