Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant dill in Roma can be determined by looking at the USDA zone info.

Planting Calendar for Dill

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

Since dill do ok in moderate cold you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant dill in Roma 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 dill and expect a good harvest is probably September. You probably don't want to wait any later than that or else your dill may not have a chance to grow to maturity. Starting your dill indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Roma. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Roma is an average the actual date of last frost is different every year. Half of the time in Roma you get a frost after February 15 so make sure that you are prepared to cover your dill in the event of one of those late frosts.

USDA Zone Info for Roma

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Roma

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