I've never grown snapdragons, so can't make a comparison. The cleome seeds are inside a long skinny "bean". Let them ripen before harvesting them. Or you can let the plant self-seed. I prefer to gather the seeds and keep them in labeled paper 'coin envelopes' (not plastic).

Thanks Charlotte, the snapdragon seeds are in little dried pods that looks like little skulls. I just Googled them, I see what they look like now. Can I ask why you don't put the seeds in plastic envelopes?

@chris1948 The cleome seed is that "bean-looking" thing towards the bottom of the blooms.



Plastic bags tend to trap any residual moisture in the seeds and they can mold or rot as a result. I get the #1 coin envelopes from Amazon (am I allowed to say that here?). My daughter (who is much better at all things computer-oriented than I am) made me little labels to attach.
Of course, a plain paper mailing envelope would work just as well.

Thanks Charlotte for the photo. I didn't know that about using plastic envelopes, I've been using them all this time. I'll have to give that a try. My Cleome is so tall I'm afraid I'm going to have to stake it like you do tomatoes. It was all limp awhile ago so I had to drench it.

I had to loosely put garden twine around mine as it was getting so tall the branches were falling over.

That's a healthy looking plant and should provide plenty of blooms all summer long. Staking is good since the cleomes sometimes get 'top heavy'.