One of the first steps you take when you are determining 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.

The first opportunity to plant nasturtium in Poulsbo should be determined 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.

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 Poulsbo 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. Any later than that and your nasturtium may not have a chance to fully mature. You can get started a few weeks earlier by starting your nasturtium indoors.

Last Frost Date

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

Since the USDA zone info for Poulsbo is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Poulsbo last frost occurs after March 15 be ready to cover your nasturtium if you have one of those late frosts.

USDA Zone Info for Poulsbo

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Poulsbo

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