Cosmos Flowers

           When Can I Plant Cosmos  

   The central rule of thumb is to plant after the last day of expected frost in your area.  Remember, cosmos are annuals and are frost sensitive.  A few days too early can mean the difference between a beautiful flower garden....and a disaster. 

Planting Zone Map

Learn what planting zone you live in:

Knowing your planting zone can be very useful when your are planning your garden and flower bed areas.

When you order plants online or through a catalog it is very useful for you to know what will have the best success in your zone. 

Most plants are marked with a zone number. Use this map to know what plants will do best in your zone.

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USDA PLANTING ZONE MAP

Using the Zone Map is really very simple. Find your geographic location on the map. Observe the corresponding color to that location. Look at the map key. That number designates the zone in which you live. 

You should select products that can survive in yourzone. Simply read the item description and you will find a either a zone number or a range of zones. The lower of the the two zone numbers tells you the lowest recommended zone in which that plant can survive. Sometimes, an item will thrive outside that zone area. Remember this is only a guide.

For more information visit:

Indicator Plant Examples Listed by Zone

Plant Hardiness Zones, Details

From: Plant Power

AVERAGE DATES OF FIRST AND LAST FROST
NOTE: The dates below are for the Northern Hemisphere
(Adjust appropriately for Southern Hemisphere)

<FONTSIZE=4>Zone 9
Average dates Last Frost = 30 Jan / 28 Feb
Average dates First Frost = 30 Nov / 30 Dec

Zone 10
Average dates Last Frost = 30 Jan or before
Average dates First Frost = 30 Nov / 30 Dec

Zone 11
Free of Frost throughout the year.

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