The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant tropical water plants in Newcastle should 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 all chance of frost has passed.

Since tropical water plants are not cold tolerant it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant tropical water plants in Newcastle 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. Any later than that and your tropical water plants may not have a chance to fully mature. Starting your tropical water plants indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Newcastle. In the coldest months of winter you should expect an average low temperature of 0°F.

Keep in mind that USDA zone info for Newcastle may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Newcastle you get surprised by a frost after April 15 so be sure to be ready to cover your tropical water plants in the event of a late frost.

USDA Zone Info for Newcastle

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Newcastle

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