When to Plant Dill in Zone 9b

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 Zone 9b should be determined by checking out 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 are barely cold tolerant you can plant them just a tiny bit earlier in the year than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant dill
Possibly ok, but a risky time to plant dill
Probably not a good time to plant dill

The earliest that you can plant dill in Zone 9b 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. If you wait 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 couple of weeks earlier.

Last Frost Date

In Zone 9b the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 25°F.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Zone 9b and it changes from year to year. Since half of the time in Zone 9b you get surprised by a frost after February 15 be ready to protect your dill in the event of a late frost.

USDA Zone Info for Zone 9b

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 Low25°F
Highest Expected Low30°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 Zone 9b

You may be interested in your other planting guides for Zone 9b.