Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when to plant nasturtium by checking out the USDA zone info for Weiser.

Planting Calendar for Nasturtium

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

Since nasturtium require warm weather it's important to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant nasturtium in Weiser is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant nasturtium and expect a good harvest is probably August. You probably don't want to wait any later than that or else your nasturtium may not have a chance to really do well. You can get started a few weeks earlier by starting your nasturtium indoors.

Last Frost Date

In Weiser the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -5°F.

Always keep in mind that USDA zone info for Weiser is just an average and the actual date of last frost is different every year. Half of the time in Weiser there is a last frost after April 15 so make sure that you are ready to protect your nasturtium if you have a surprise late frost.

USDA Zone Info for Weiser

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Weiser

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