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

A way of making a decision about when it's the best time to plant schizanthus is to examine the USDA zone info for Hesperia.

Planting Calendar for Schizanthus

Frost tolerance for schizanthus:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since schizanthus are not cold tolerant you really should wait until after all chance of frost has passed before you can plant them.

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

The last month that you can plant schizanthus and expect a good harvest is probably August. Any later than that and your schizanthus may not have a chance to fully mature. You can get started a few weeks earlier by starting your schizanthus indoors.

Last Frost Date

The average date of last frost is March 15 in Hesperia. In the coldest months of winter you can expect an average low temperature of 15°F.

Remember that USDA zone info for Hesperia is just an average and the actual date of last frost changes from year to year. Since half of the time in Hesperia you get surprised by a frost after March 15 be ready to cover your schizanthus in the event of a surprise late frost.

USDA Zone Info for Hesperia

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Hesperia

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