One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of figuring out when it's possible to plant nasturtium is to look at the USDA zone info for Cloverdale.

Planting Calendar for Nasturtium

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

You can not plant nasturtium until after all chance of frost has passed because they require warm weather.

The earliest that you can plant nasturtium in Cloverdale 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 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 couple of weeks earlier by starting your nasturtium indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Cloverdale. You should expect an average low temperature of 25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Cloverdale may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Cloverdale there is a last frost after February 15 be ready to protect your nasturtium in the event of a late frost.

USDA Zone Info for Cloverdale

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 Low	25°F
Highest Expected Low	30°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 Cloverdale

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