The USDA Zone info is a great tool for gardeners to help us estimate your gardening 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 Lake Stevens should be used to figure out when it's the best time to plant scabiosa.

Planting Calendar for Scabiosa

Frost tolerance for scabiosa:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Scabiosa are moderately cold tolerant which means that you can plant them earlier than other frost tender plants.

The earliest that you can plant scabiosa in Lake Stevens is February. However, you really should wait until March if you don't want to take any chances.

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

Last Frost Date

On average the last frost has passed is on March 15 in Lake Stevens. You can expect an average low temperature of 15°F in the coldest months of winter.

Remember that USDA zone info for Lake Stevens is an average and the actual date of last frost is different every year. Half of the time in Lake Stevens you get a frost after March 15 so just be sure to be ready to cover your scabiosa if you have a surprise late frost.

USDA Zone Info for Lake Stevens

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 Lake Stevens

You may be interested in your other planting guides for Lake Stevens.