The colors in the center of AZ. cannot be seen clearly. Wish state outline was darker and overall size larger to help me find my home frost area. Want to plant tomatoes.

I wanted more precise information on the last frost date

I live near houston tx and ur aying the last frost should be in feb. but 90 percent of the time we have a frost in April.

It may be that I have trouble seeing but the frost map wasn't particularly clear for south western NH so should I count on April or May as my last frost date - and with global warming what happens now - last spring it frosted late and killed all the dahlias I'd planted out the year before all the dahlias flowered early and beautifully.