The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant marguerite daisy in Thornton should be figured out by checking out the USDA zone info.

Planting Calendar for Marguerite Daisy

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

Since marguerite daisy are not cold tolerant you must wait until after the last frost has passed before you can plant them.

The earliest that you can plant marguerite daisy in Thornton 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 marguerite daisy and expect a good harvest is probably August. If you wait any later than that and your marguerite daisy may not have a chance to grow to maturity. You can get started a little bit earlier by starting your marguerite daisy indoors.

Last Frost Date

In Thornton the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Thornton is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Thornton it frosts late in the year after April 15 so make sure that you are prepared to cover your marguerite daisy if you have a late frost.

USDA Zone Info for Thornton

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Thornton

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