One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Trenton you can estimate when it's the best time to plant gloriosa daisy by using 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.

You can plant gloriosa daisy just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant gloriosa daisy in Trenton 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. Starting your gloriosa daisy indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Trenton. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Trenton is not always accurate the actual date of last frost changes from year to year. Half of the time in Trenton it frosts late in the year after April 15 so make sure that you are ready to cover your gloriosa daisy if you have a surprise late frost.

USDA Zone Info for Trenton

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 Trenton

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