One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when it's the best time to plant melampodium in Imperial Beach by using the USDA zone info.

Planting Calendar for Melampodium

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

Since melampodium are not cold tolerant it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant melampodium in Imperial Beach is February. However, you really should wait until March 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. If you wait any later than that and your melampodium may not have a chance to fully mature. You can get started a little bit earlier by starting your melampodium indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Imperial Beach. In the coldest months of winter you can expect an average low temperature of 35°F.

Remember that USDA zone info for Imperial Beach is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Imperial Beach you get a frost after January 31 so be sure to be ready to protect your melampodium in the event of a surprise late frost.

USDA Zone Info for Imperial Beach

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Imperial Beach

You may be interested in your other planting guides for Imperial Beach.