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.

One way of estimating when to plant trachelium is to examine the USDA zone info for Lynnwood.

Planting Calendar for Trachelium

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

It's not a good idea to plant trachelium until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant trachelium in Lynnwood 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 trachelium and expect a good harvest is probably August. If you wait any later than that and your trachelium may not have a chance to really do well. If you are starting your trachelium indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on March 15 in Lynnwood. It might get as low as 15°F during the coldest months of winter.

Remember that USDA zone info for Lynnwood may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Lynnwood it frosts late in the year after March 15 be ready to cover your trachelium if you have a surprise late frost.

USDA Zone Info for Lynnwood

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 Lynnwood

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