Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Oil City should be looked at to estimate when it's the best time to plant swan river daisy.

Planting Calendar for Swan River Daisy

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

You really shouldn't plant swan river daisy until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant swan river daisy in Oil City 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 swan river daisy and expect a good harvest is probably August. If you wait any later than that and your swan river daisy may not have a chance to fully mature. Starting your swan river daisy indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Oil City. You should expect an average low temperature of -15°F in the coldest months of winter.

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 Oil City and it is different every year. Half of the time in Oil City there is a last frost after April 15 so always be ready to protect your swan river daisy if you have one of those late frosts.

USDA Zone Info for Oil City

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 Oil City

You may be interested in your other planting guides for Oil City.