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

You should be able to figure out when it's the best time to plant dill by referring to the USDA zone info for Ukiah.

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 are barely cold tolerant you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant dill in Ukiah 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. Any later than that and your dill may not have a chance to grow to maturity. Starting your dill indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Ukiah the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 20°F.

Since the USDA zone info for Ukiah is just an average the actual date of last frost will vary from year to year. Since half of the time in Ukiah it frosts late in the year after February 15 be ready to cover your dill in the event of a late frost.

USDA Zone Info for Ukiah

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Ukiah

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