When to Plant Scaevola in Carnegie, PA

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 USDA zone info for Carnegie should be used to estimate when it's the best time to plant scaevola.


Planting Calendar for Scaevola

Frost tolerance for scaevola: Not tolerant of frost.
When to plant: After the last frost has passed.

Since scaevola do not do well in cold weather it is necessary to wait until after the last frost before you can plant them.

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

The earliest that you can plant scaevola in Carnegie 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 scaevola and expect a good harvest is probably August. If you wait any later than that and your scaevola may not have a chance to grow to maturity. Starting your scaevola indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Carnegie. In the coldest months of winter you can expect an average low temperature of -5°F.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Carnegie and it changes from year to year. Half of the time in Carnegie you get a frost after April 15 so always be ready to protect your scaevola if you have a late frost.

USDA Zone Info for Carnegie

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

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

Plants to Grow in Carnegie

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