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.

The best time to plant tropical water plants in Lombard can be figured out by looking at the USDA zone info.

Planting Calendar for Tropical Water Plants

Frost tolerance for tropical water plants:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You can not plant tropical water plants until after the last frost because they do not do well in cold weather.

The earliest that you can plant tropical water plants in Lombard 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 tropical water plants and expect a good harvest is probably August. If you wait any later than that and your tropical water plants may not have a chance to really do well. You can get started a few weeks earlier by starting your tropical water plants indoors.

Last Frost Date

The average date of last frost is April 15 in Lombard. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Lombard may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Lombard there is a last frost after April 15 so just be sure to be ready to cover your tropical water plants in the event of one of those late frosts.

USDA Zone Info for Lombard

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 Lombard

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