The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Riverbank you can figure out when to plant nasturtium by checking out the USDA zone info.

Planting Calendar for Nasturtium

Frost tolerance for nasturtium:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Nasturtium require warm weather which tells us that it is important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant nasturtium in Riverbank 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. Starting your nasturtium indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Riverbank. It might get as low as 25°F during the coldest months of winter.

Always keep in mind that USDA zone info for Riverbank is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Riverbank it frosts late in the year after February 15 be ready to protect your nasturtium in the event of a surprise late frost.

USDA Zone Info for Riverbank

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 Riverbank

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