When to Plant Nemesia 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.

You will be able to figure out when to plant nemesia by checking out the USDA zone info for Zone 9a.

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Planting Calendar for Nemesia

Frost tolerance for nemesia: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Nemesia do not do well in cold weather which tells us 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 nemesia
Possibly ok, but a risky time to plant nemesia
Probably not a good time to plant nemesia

The earliest that you can plant nemesia 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 nemesia and expect a good harvest is probably September. Any later than that and your nemesia may not have a chance to really do well. Starting your nemesia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Zone 9a the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 20°F.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Zone 9a and it changes from year to year. Half of the time in Zone 9a last frost occurs after February 15 so just be sure to be ready to cover your nemesia if you have a surprise 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.