One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. 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 cuphea in Carlsbad should be determined by using the USDA zone info.

Planting Calendar for Cuphea

Frost tolerance for cuphea:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You really shouldn't plant cuphea until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant cuphea 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 cuphea and expect a good harvest is probably August. If you wait any later than that and your cuphea may not have a chance to really do well. You can get started a little bit earlier by starting your cuphea indoors.

Last Frost Date

In Carlsbad the average date of last frost happens on March 15. It might get as low as 10°F during the coldest months of winter.

Remember that USDA zone info for Carlsbad is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Carlsbad last frost occurs after March 15 be ready to protect your cuphea 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.