Before planting it is a good idea to find your USDA Zone info to determine 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.

By looking at the USDA zone info for Carlsbad you should be able to estimate when it's the best time to plant cucumbers.

Planting Calendar for Cucumbers

Frost tolerance for cucumbers:	Not tolerant of frost.
When to plant:	After the last frost.

It's a bad idea to plant cucumbers until after all chance of frost has passed because they require warm weather.

The earliest that you can plant cucumbers in Carlsbad is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant cucumbers and expect a good harvest is probably August. You probably don't want to wait any later than that or else your cucumbers may not have a chance to really do well. Starting your cucumbers indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Carlsbad. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Carlsbad may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Carlsbad there is a last frost after March 15 so just be sure to be ready to protect your cucumbers in the event of a late frost.

USDA Zone Info for Carlsbad

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Carlsbad

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