When Can I Plant Zinnias? October 30, 2008

When Can I Plant Zinnias?

The central rule of thumb is to plant after the last day of expected frost in your area.  Remember, zinnias 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.

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 your zone. 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 ExamplesListed 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) Zone 1
Average dates Last Frost = 1 Jun / 30 Jun
Average dates First Frost = 1 Jul / 31 Jul Note: Vulnerable to frost 365 days per year

Zone 2
Average dates Last Frost = 1 May / 31 May
Average dates First Frost = 1 Aug / 31 Aug

Zone 3
Average dates Last Frost = 1 May / 31 May
Average dates First Frost = 1 Sep / 30 Sep

Zone 4
Average dates Last Frost = 1 May / 30 May
Average dates First Frost = 1 Sep / 30 Sep

Zone 5
Average dates Last Frost = 30 Mar / 30 Apr
Average dates First Frost = 30 Sep / 30 Oct

Zone 6
Average dates Last Frost = 30 Mar / 30 Apr
Average dates First Frost = 30 Sep / 30 Oct

Zone 7
Average dates Last Frost = 30 Mar / 30 Apr
Average dates First Frost = 30 Sep / 30 Oct

Zone 8
Average dates Last Frost = 28 Feb / 30 Mar
Average dates First Frost = 30 Oct / 30 Nov

<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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