One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Highlands you can figure out when to plant geranium by reviewing the USDA zone info.

Planting Calendar for Geranium

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

You should not plant geranium until after all chance of frost has passed because they require warm weather.

The earliest that you can plant geranium in Highlands 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 geranium and expect a good harvest is probably August. Any later than that and your geranium may not have a chance to grow to maturity. You can get started a little bit earlier by starting your geranium indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Highlands. It might get as low as 0°F during the coldest months of winter.

It's important to remember that USDA zone info for Highlands is an average and the actual date of last frost is different every year. Half of the time in Highlands you get surprised by a frost after April 15 so make sure that you are prepared to protect your geranium if you have a late frost.

USDA Zone Info for Highlands

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 Highlands

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