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When to Plant Angel's Trumpets in Highland, IN

One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to figure out when it's a good idea to plant angel's trumpets by using the USDA zone info for Highland.


Planting Calendar for Angel's Trumpets

Frost tolerance for angel's trumpets: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Angel's Trumpets are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can start planting them slightly earlier than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant angel's trumpets
Possibly ok, but a risky time to plant angel's trumpets
Probably not a good time to plant angel's trumpets

The earliest that you can plant angel's trumpets in Highland is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant angel's trumpets and expect a good harvest is probably August. Any later than that and your angel's trumpets may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your angel's trumpets indoors.

Last Frost Date

In Highland the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Highland and it will vary from year to year. Since half of the time in Highland last frost occurs after April 15 be ready to protect your angel's trumpets if you have a surprise late frost.

USDA Zone Info for Highland

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

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

Plants to Grow in Highland

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