One of the first steps you take when you are getting a good idea your gardening schedule is find your 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.

By reviewing the USDA zone info for Grand Island it's a good idea to estimate when it's the best time to plant sanvitalia.

Planting Calendar for Sanvitalia

Frost tolerance for sanvitalia:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Sanvitalia do ok in some cold which tells us that you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant sanvitalia in Grand Island is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant sanvitalia and expect a good harvest is probably August. If you wait any later than that and your sanvitalia may not have a chance to really do well. You can get started a little bit earlier by starting your sanvitalia indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Grand Island. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Grand Island may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Grand Island you get a frost after April 15 so make sure that you are prepared to protect your sanvitalia if you have one of those late frosts.

USDA Zone Info for Grand Island

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 Grand Island

You may be interested in your other planting guides for Grand Island.