When to Plant Nasturtium in Thousand Oaks, CA

One of the best tools that you have as gardeners to help us determine 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.

You can estimate when to plant nasturtium in Thousand Oaks by referring to the USDA zone info.


Planting Calendar for Nasturtium

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

Nasturtium do not do well in cold weather which means that it's important to wait until it warms up after the last frost has passed before you can plant them.

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

The earliest that you can plant nasturtium in Thousand Oaks 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 nasturtium and expect a good harvest is probably September. Any later than that and your nasturtium may not have a chance to grow to maturity. You can get started a little bit earlier by starting your nasturtium indoors.

Last Frost Date

The average date of last frost is January 31 in Thousand Oaks. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Thousand Oaks is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Thousand Oaks last frost occurs after January 31 so just be sure to be ready to protect your nasturtium if you have one of those late frosts.

USDA Zone Info for Thousand Oaks

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Thousand Oaks

You may be interested in your other planting guides for Thousand Oaks.