Three species of sow thistle grow in Florida — spiny sow thistle (Sonchus asper), common sow thistle (Sonchus oleraceous) and field sow thistle (Sonchus arvensis) — but none is the type… ...

Field thistle is not the kind of plant you usually find in a home garden. Yet, maybe it should. “Field thistle is very attractive to goldfinches, hummingbirds and clearwing moths,” says native ...

Field sow thistle, yellow-orange, was one of the first to bloom. Night-scented tobacco, spooky white, came next, followed by its violet cousin, cultivated tobacco.

Because of their general vigor and capacity for rapid spread, sow thistles are often considered invasive weeds. Some, in fact, can produce seeds in staggering numbers — as many as 25,000 per plant.

Because of their general vigor and capacity for rapid spread, sow thistles are often considered invasive weeds. Some, in fact, can produce seeds in staggering numbers — as many as 25,000 per plant.

Because of their general vigor and capacity for rapid spread, sow thistles are often considered invasive weeds. Some, in fact, can produce seeds in staggering numbers — as many as 25,000 per plant.

Our Mystery Plant ("Spiny sow-thistle”, Sonchus asper) is one of them. It’s an annual, growing quickly, getting to be a couple of feet tall, branching toward the top.

Three species of sow thistle grow in Florida — spiny sow thistle (Sonchus asper), common sow thistle (Sonchus oleraceous) and field sow thistle (Sonchus arvensis) — but none is the type… ...