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

The USDA zone info for Federal Way should be used to estimate when it's the best time to plant torenia.

Planting Calendar for Torenia

Frost tolerance for torenia:	Not tolerant of frost.
When to plant:	After the last frost.

Torenia require warm weather which means that it's important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant torenia in Federal Way 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 torenia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your torenia may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your torenia indoors.

Last Frost Date

The average date of last frost is March 15 in Federal Way. You can expect an average low temperature of 15°F in the coldest months of winter.

Remember that USDA zone info for Federal Way is just an average and the actual date of last frost is different every year. Half of the time in Federal Way there is a last frost after March 15 so be sure to be ready to cover your torenia in the event of a late frost.

USDA Zone Info for Federal Way

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 Federal Way

You may be interested in your other planting guides for Federal Way.