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When to Plant Lithospermum in Clifton Heights, PA

Before planting it is a good idea to find your USDA Zone info to figure out 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.

It's a good idea to determine when it's possible to plant lithospermum by reviewing the USDA zone info for Clifton Heights.


Planting Calendar for Lithospermum

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

Since lithospermum do not do well in cold weather you have to wait until after the last frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant lithospermum
Possibly ok, but a risky time to plant lithospermum
Probably not a good time to plant lithospermum

The earliest that you can plant lithospermum in Clifton Heights 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 lithospermum and expect a good harvest is probably August. You probably don't want to wait any later than that or else your lithospermum may not have a chance to really do well. Starting your lithospermum indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Clifton Heights is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Clifton Heights you get surprised by a frost after April 15 be ready to protect your lithospermum in the event of a surprise late frost.

USDA Zone Info for Clifton Heights

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 Low0°F
Highest Expected Low5°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 Clifton Heights

You may be interested in your other planting guides for Clifton Heights.