One of the first steps you take when you are making a decision about 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.

You can figure out when it's a good idea to plant snapdragons in Madison by reviewing the USDA zone info.

Planting Calendar for Snapdragons

Frost tolerance for snapdragons:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Snapdragons tend to make it in moderate cold which means that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant snapdragons in Madison 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 snapdragons and expect a good harvest is probably September. Any later than that and your snapdragons may not have a chance to fully mature. You can get started a little bit earlier by starting your snapdragons indoors.

Last Frost Date

The average date of last frost is April 15 in Madison. In the coldest months of winter you can expect an average low temperature of -20°F.

Always keep in mind that USDA zone info for Madison is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Madison you get surprised by a frost after April 15 be ready to cover your snapdragons if you have a late frost.

USDA Zone Info for Madison

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 Madison

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