One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Tillamook you will be able to determine when it's possible to plant nasturtium.

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 not a good idea to plant nasturtium until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant nasturtium in Tillamook 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 grow to maturity. 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 March 15 in Tillamook. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Tillamook is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Tillamook last frost occurs after March 15 so be sure to be ready to protect your nasturtium in the event of a surprise late frost.

USDA Zone Info for Tillamook

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 Tillamook

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