One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when you can plant nasturtium is to check out the USDA zone info for Oakley.

Planting Calendar for Nasturtium

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

It's probably a bad idea to plant nasturtium until after the last frost because they are not cold tolerant.

The earliest that you can plant nasturtium in Oakley 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. If you wait any later than that and your nasturtium may not have a chance to really do well. If you are starting your nasturtium indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Oakley the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Oakley may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Oakley you get surprised by a frost after February 15 be ready to protect your nasturtium in the event of one of those late frosts.

USDA Zone Info for Oakley

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 Oakley

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