cosmos are frost tender and mesembryanthemum too. I'm trying the iceplants for the first time this year too. I'm not sure on sweet pea I haven't really done those I think the rest are ok for now.

Thanks! I didn't make the connection that the mes. are ice plant. I have some of those growing by my mailbox and they are great plants!

I just sowed some delphs, scabiosa, nigella, and double pink columbine... I am so excited... come on spring!!! :)

The mesembryanthemum is an annual iceplant. If the ones you have by the mailbox are perennial, they are probably delosperma.

Cosmos is a fast sprouter and, as floodthelast mentioned, are not frost tolerant, so I would wait on those until close to your last frost date.

The only other one that might be best to hold off on until March would be the sweet peas. Everything else on your list is either a hardy annual or perennial.

Bonnie