One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Glasgow you can estimate when it's the best time to plant sweet woodruff by reviewing the USDA zone info.

Planting Calendar for Sweet Woodruff

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

Since sweet woodruff do well in moderate cold you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant sweet woodruff in Glasgow 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 sweet woodruff and expect a good harvest is probably September. Any later than that and your sweet woodruff may not have a chance to fully mature. You can get started a few weeks earlier by starting your sweet woodruff indoors.

Last Frost Date

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

Since the USDA zone info for Glasgow is just an average the actual date of last frost is different every year. Since half of the time in Glasgow it frosts late in the year after April 15 be ready to protect your sweet woodruff 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.