Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when it's possible to plant transvaal daisy by referring to the USDA zone info for Snohomish.

Planting Calendar for Transvaal Daisy

Frost tolerance for transvaal daisy:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Transvaal Daisy are barely cold tolerant which tells us that you can start planting them slightly earlier than more sensitive plants.

The earliest that you can plant transvaal daisy in Snohomish is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant transvaal daisy and expect a good harvest is probably August. Any later than that and your transvaal daisy may not have a chance to fully mature. Starting your transvaal daisy indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on March 15 in Snohomish. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Snohomish is an average the actual date of last frost is different every year. Half of the time in Snohomish it frosts late in the year after March 15 so always be ready to cover your transvaal daisy in the event of a late frost.

USDA Zone Info for Snohomish

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 Snohomish

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