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 chance to plant hamelia in New Haven can be figured out by using the USDA zone info.

Planting Calendar for Hamelia

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

Hamelia do not do well in cold weather which tells us that it's necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant hamelia in New Haven 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 hamelia and expect a good harvest is probably August. Any later than that and your hamelia may not have a chance to grow to maturity. Starting your hamelia indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in New Haven. It might get as low as 0°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for New Haven and it can change quite a bit from year to year. Half of the time in New Haven it frosts late in the year after April 15 so always be ready to protect your hamelia if you have a late frost.

USDA Zone Info for New Haven

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in New Haven

You may be interested in your other planting guides for New Haven.