The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Glasgow should be looked at to estimate when you can plant oleander.

Planting Calendar for Oleander

Frost tolerance for oleander:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since oleander are not cold tolerant you really should wait until after the last frost before you can plant them.

The earliest that you can plant oleander in Glasgow 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 oleander and expect a good harvest is probably August. Any later than that and your oleander may not have a chance to really do well. Starting your oleander indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Glasgow. You can expect an average low temperature of -5°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Glasgow is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Glasgow you get surprised by a frost after April 15 so always be ready to protect your oleander if you have one of those late frosts.

USDA Zone Info for Glasgow

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Glasgow

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