When to Plant Nemesia in Vallejo, CA

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when it's a good idea to plant nemesia is to refer to the USDA zone info for Vallejo.


Planting Calendar for Nemesia

Frost tolerance for nemesia: Not tolerant of frost.
When to plant: After the last frost.

You really shouldn't plant nemesia until after all chance of frost has passed because they do not do well in cold weather.

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 Vallejo 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 grow to maturity. You can get started a few weeks earlier by starting your nemesia indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Vallejo is just an average and the actual date of last frost will vary from year to year. Half of the time in Vallejo there is a last frost after February 15 so be sure to be ready to cover your nemesia in the event of a late frost.

USDA Zone Info for Vallejo

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 Low25°F
Highest Expected Low30°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 Vallejo

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