One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of making a decision about when you can plant bellis is to examine the USDA zone info for Douglas.

Planting Calendar for Bellis

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

Bellis are one of those plants that can tolerate a little bit of cold weather which means that you can plant them earlier than more sensitive plants.

The earliest that you can plant bellis in Douglas 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 bellis and expect a good harvest is probably August. Any later than that and your bellis may not have a chance to really do well. You can get started a little bit earlier by starting your bellis indoors.

Last Frost Date

On average the last frost is on May 15 in Douglas. You can expect an average low temperature of -25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Douglas is not always accurate and the actual date of last frost is different every year. Half of the time in Douglas you get surprised by a frost after May 15 so make sure that you are ready to cover your bellis if you have a surprise late frost.

USDA Zone Info for Douglas

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Douglas

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