One of the first steps you take when you are determining your gardening schedule is find your 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.

By checking out the USDA zone info for Watertown it's possible to estimate when to plant gloriosa daisy.

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 do well in mild cold which tells us that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant gloriosa daisy in Watertown 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 gloriosa daisy and expect a good harvest is probably August. If you wait any later than that and your gloriosa daisy may not have a chance to fully mature. If you are starting your gloriosa daisy indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on May 15 in Watertown. It might get as low as -25°F during the coldest months of winter.

It's important to remember that USDA zone info for Watertown is an average and the actual date of last frost changes from year to year. Since half of the time in Watertown it frosts late in the year after May 15 be ready to protect your gloriosa daisy if you have a late frost.

USDA Zone Info for Watertown

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 Watertown

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