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.

In Grinnell you can determine when to plant dracaena by referring to the USDA zone info.

Planting Calendar for Dracaena

Frost tolerance for dracaena:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Dracaena are very cold tolerant which means that you can get them planted much earlier than plants that are more sensitive to the cold.

The earliest that you can plant dracaena in Grinnell is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant dracaena and expect a good harvest is probably September. Any later than that and your dracaena may not have a chance to really do well. If you are starting your dracaena indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Grinnell. It might get as low as -20°F during the coldest months of winter.

Keep in mind that USDA zone info for Grinnell is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Grinnell it frosts late in the year after April 15 so make sure that you are prepared to cover your dracaena if you have a late frost.

USDA Zone Info for Grinnell

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Grinnell

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