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.

A way of determining when it's the best time to plant sunflowers is to consult the USDA zone info for Wellington.

Planting Calendar for Sunflowers

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

It's probably a bad idea to plant sunflowers until after the last frost has passed because they require warm weather.

The earliest that you can plant sunflowers in Wellington 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 sunflowers and expect a good harvest is probably August. Any later than that and your sunflowers may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your sunflowers indoors.

Last Frost Date

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

Since the USDA zone info for Wellington may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Wellington last frost occurs after April 15 be ready to protect your sunflowers in the event of a surprise late frost.

USDA Zone Info for Wellington

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 Wellington

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