weeds

Weed of the Month

CALENDAR YEAR
2008

JANUARY 2008
Saltcedar
(Tamarix ramossiuma Ledeb.)

FEBRUARY 2008
Ventenata
(Ventenata dubia (Leers) Durieu)

MARCH 2008
Black Henbane
(Hyoscyamus niger L.)

APRIL 2008
Viper's Bugloss
(Echium Vulgare L.)

MAY 2008
St. Johnswort
(Hypericum perforatum L.)

JUNE 2008
Russian Olive
(Elaeagnus angustifolis L.)

For information & questions about weeds/control contact: Steve Van Vleet or Phone (509) 397-6290

CALENDAR YEAR
2007

JANUARY 2007 White Bryony (Bryonia alba L.)				FEBRUARY 2007 Canada Thistle (Crisium arvense L.)
MARCH 2007 Puncturevine (Tribulus terrestis L.)				APRIL 2007 Rush Skeletonweed (Chondrilla juncea L.)
MAY 2007 Field Bindweed (Convolvulus arvenisis L.)				JUNE 2007 Leafy Spurge (Euphorbia esula L.)
JULY 2007 Spotted Knapweed (Centaurea maculosa Lam.) Diffuse Knapweed (Centaurea diffuse Lam.)				AUGUST 2007 Yellow Starthistle (Centaurea solstitialis L.)
SEPTEMBER 2007 Scotch Thistle (Onopordum aconthium L.)				OCTOBER 2007 Sulfur Cinquefoil (Potentilla recta L.)

NOVEMBER 2007
Italian Ryegrass
(Lolium multiflorum Lam.)

DECEMBER 2007
Hoary Cress
(Cardaria draba (L.) Desv.)

CALENDAR YEAR
2006

JANUARY 2006 Downy Brome (Bromus tectorum L.)				FEBRUARY 2006 Musk Thistle (Carduus nutans L.)
MARCH 2006 Dalmation Toadflax (Linaria dalmatica L.) Yellow Toadflax (Linaria vulgaris L.)				APRIL 2006 Poison Hemlock (Conium maculatum L.)
MAY 2006 Common Fiddleneck (Amsinckia micrantha Suksd.)				JUNE 2006 Jointed Goatgrass (Aegilops cylindrica Host)
JULY 2006 Annual Sowthistle (Sonchus oleraceus L.)				AUGUST 2006 Mayweed Chamomile (Anthemis cotula L.)
SEPTEMBER 2006 Houndstongue (Cynoglossum officnale L.)				OCTOBER 2006 Prickly Lettuce (Lactuca Serriola L.)
NOVEMBER 2006 Scotch Broom (Cytisus scoparius L.)				DECEMBER 2006 Black Nightshade (Solanum americanum Miller)