When to Plant Begonias in Zone 9a

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant begonias in Zone 9a should be figured out by reviewing the USDA zone info.

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Planting Calendar for Begonias

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

Begonias are not cold tolerant which means that you have to wait until it warms up after the last frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant begonias
Possibly ok, but a risky time to plant begonias
Probably not a good time to plant begonias

The earliest that you can plant begonias in Zone 9a 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 begonias and expect a good harvest is probably September. If you wait any later than that and your begonias may not have a chance to really do well. Starting your begonias indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Zone 9a. You should expect an average low temperature of 20°F in the coldest months of winter.

Remember that USDA zone info for Zone 9a is just an average and the actual date of last frost will vary from year to year. Half of the time in Zone 9a there is a last frost after February 15 so make sure that you are ready to protect your begonias if you have a late frost.

USDA Zone Info for Zone 9a

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low20°F
Highest Expected Low25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Zone 9a

You may be interested in your other planting guides for Zone 9a.