When can I plant Scaevola in Zone 1b

One of the best tools that we have as gardeners to help us figure out our 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 our area.

The USDA zone info for Zone 1b can be reviewed to determine when to plant scaevola.


Planting Calendar for Scaevola

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

Since scaevola are not cold tolerant it's 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 Zone 1b is June. However, you really should wait until July if you don't want to take any chances.

The last month that you can plant scaevola and expect a good harvest is probably July. You probably don't want to wait any later than that or else your scaevola may not have a chance to fully mature. You can get started a few weeks earlier by starting your scaevola indoors.

Last Frost Date

The average date of last frost is June 15 in Zone 1b. It might get as low as -55°F during the coldest months of winter.

Keep in mind that USDA zone info for Zone 1b is just an average and our actual date of last frost changes from year to year. Since half of the time in Zone 1b it frosts late in the year after June 15 be ready to cover your scaevola if we have a surprise late frost.

USDA Zone Info for Zone 1b

Here is the info for USDA Zone 1b.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-55°F
Highest Expected Low-50°F

This means that on a really cold year, the coldest it will get is -55°F. On most years you should be prepared to experience lows near -50°F.

Plants to Grow in Zone 1b

You may be interested in our other planting guides for Zone 1b.