Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Perris you should be able to estimate when it's possible to plant melampodium.

Planting Calendar for Melampodium

Frost tolerance for melampodium:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Melampodium are not cold tolerant which tells us that it's necessary to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant melampodium in Perris is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant melampodium and expect a good harvest is probably September. Any later than that and your melampodium may not have a chance to fully mature. If you are starting your melampodium indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Perris. You can expect an average low temperature of 25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Perris is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Perris there is a last frost after February 15 be ready to cover your melampodium in the event of a late frost.

USDA Zone Info for Perris

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Perris

You may be interested in your other planting guides for Perris.