One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when it's a good idea to plant gloriosa daisy in Port Huron by reviewing 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.

Gloriosa Daisy tend to make it in moderate cold which means that you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant gloriosa daisy in Port Huron 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. If you wait any later than that and your gloriosa daisy may not have a chance to grow to maturity. If you are starting your gloriosa daisy indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Port Huron the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Port Huron may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Port Huron there is a last frost after April 15 so make sure that you are ready to cover your gloriosa daisy if you have one of those late frosts.

USDA Zone Info for Port Huron

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 Port Huron

You may be interested in your other planting guides for Port Huron.