Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of estimating when to plant rosemary is to check out the USDA zone info for Lansdowne.

Planting Calendar for Rosemary

Frost tolerance for rosemary:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant rosemary quite a bit earlier in the year because they are very cold tolerant.

The earliest that you can plant rosemary in Lansdowne 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 rosemary and expect a good harvest is probably September. If you wait any later than that and your rosemary may not have a chance to really do well. You can get started a couple of weeks earlier by starting your rosemary indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Lansdowne is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Lansdowne it frosts late in the year after April 15 so always be ready to protect your rosemary if you have a surprise late frost.

USDA Zone Info for Lansdowne

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 Lansdowne

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