One of the first steps you take when you are estimating 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.

In Hyattsville you can determine when it's the best time to plant carnation by reviewing the USDA zone info.

Planting Calendar for Carnation

Frost tolerance for carnation:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since carnation are very cold tolerant you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant carnation in Hyattsville 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 carnation and expect a good harvest is probably September. Any later than that and your carnation may not have a chance to grow to maturity. You can get started a little bit earlier by starting your carnation indoors.

Last Frost Date

In Hyattsville 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 Hyattsville is not always accurate the actual date of last frost is different every year. Half of the time in Hyattsville you get surprised by a frost after April 15 so make sure that you are prepared to protect your carnation if you have a late frost.

USDA Zone Info for Hyattsville

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 Hyattsville

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