Before planting it is a good idea to find your USDA Zone info to figure out your garden 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 felicia daisy in Boulder should be estimated by using the USDA zone info.

Planting Calendar for Felicia Daisy

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

Since felicia daisy are barely cold tolerant you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant felicia daisy in Boulder 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 felicia daisy and expect a good harvest is probably August. Any later than that and your felicia daisy may not have a chance to grow to maturity. If you are starting your felicia daisy indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Boulder. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Boulder is not always accurate the actual date of last frost will vary from year to year. Half of the time in Boulder you get surprised by a frost after April 15 so make sure that you are ready to protect your felicia daisy if you have a surprise late frost.

USDA Zone Info for Boulder

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 Boulder

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