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

In Trenton you can determine when it's possible to plant didiscus by looking at the USDA zone info.

Planting Calendar for Didiscus

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

Didiscus are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can get them planted just a bit earlier than other frost tender plants.

The earliest that you can plant didiscus in Trenton 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 didiscus and expect a good harvest is probably August. If you wait any later than that and your didiscus may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your didiscus indoors.

Last Frost Date

In Trenton the average date of last frost happens on April 15. It might get as low as 0°F during the coldest months of winter.

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 didiscus in the event of a late frost.

USDA Zone Info for Trenton

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Trenton

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