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 earliest that you can plant cucumbers in Larkspur can be figured out by checking out the USDA zone info.

Planting Calendar for Cucumbers

Frost tolerance for cucumbers:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since cucumbers do not do well in cold weather it is important to wait until after all chance of frost has passed before you can plant them.

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

Last Frost Date

On average the last frost is on February 15 in Larkspur. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Larkspur may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Larkspur you get surprised by a frost after February 15 be ready to cover your cucumbers if you have a late frost.

USDA Zone Info for Larkspur

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 Larkspur

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