One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 first chance to plant nemesia in Ambler can be determined by referring to the USDA zone info.

Planting Calendar for Nemesia

Frost tolerance for nemesia:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's probably not a good idea to plant nemesia until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant nemesia in Ambler 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 nemesia and expect a good harvest is probably August. Any later than that and your nemesia may not have a chance to fully mature. You can get started a few weeks earlier by starting your nemesia indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Ambler. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Ambler is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Ambler you get surprised by a frost after April 15 so just be sure to be ready to protect your nemesia in the event of one of those late frosts.

USDA Zone Info for Ambler

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 Ambler

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