Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Alton you can determine when it's possible to plant gloriosa daisy by referring to the USDA zone info.

Planting Calendar for Gloriosa Daisy

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

Since gloriosa daisy are moderately cold tolerant you can plant them a little earlier in the year than plants that are more sensitive to the cold.

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

The last month that you can plant gloriosa daisy and expect a good harvest is probably September. You probably don't want to wait any later than that or else your gloriosa daisy may not have a chance to really do well. Starting your gloriosa daisy indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Alton. In the coldest months of winter you should expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Alton is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Alton you get a frost after April 15 be ready to cover your gloriosa daisy in the event of one of those late frosts.

USDA Zone Info for Alton

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Alton

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