When to Plant Lisianthus in Stanwood, WA

One of the best tools that you have as gardeners to help us determine 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 looking at the USDA zone info for Stanwood you will be able to figure out when to plant lisianthus.


Planting Calendar for Lisianthus

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

You really shouldn't plant lisianthus until after the last frost has passed because they require warm weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant lisianthus
Possibly ok, but a risky time to plant lisianthus
Probably not a good time to plant lisianthus

The earliest that you can plant lisianthus in Stanwood 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 lisianthus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your lisianthus may not have a chance to really do well. You can get started a little bit earlier by starting your lisianthus indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Stanwood is not always accurate and the actual date of last frost is different every year. Since half of the time in Stanwood last frost occurs after March 15 be ready to cover your lisianthus in the event of one of those late frosts.

USDA Zone Info for Stanwood

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 Low15°F
Highest Expected Low20°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 Stanwood

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