GETTING TO KNOW YOUR WEEDS Summer Weeds Winter Weeds Begin growing - PDF document

5/8/2020 GETTING TO KNOW YOUR WEEDS Summer Weeds Winter Weeds  Begin growing in May  Begin growing in the fall  Love heat  Love cool, mild weather  Grow all summer  Grow slowly all winter  Bloom in the summer  Bloom in the spring  Die/slow down in the  Die in late spring fall Cool Season vs. W Cool Season vs. Warm Season Gr rm Season Growth P owth Patterns tterns Warm Season Cool Season Growth Rate Spring Summer Fall 1

5/8/2020 GETTING TO KNOW YOUR WEEDS Annual Weeds Perennial Weeds  Grows from the same  Grow from seed plant (roots) every every year year  Timing is important  Can also grow new to control plants from seed  Usually easy to  Can be more difficult to control prevent GETTING TO KNOW YOUR WEEDS Broadleaf Weeds Grassy Weeds  Leaves are not grass-  Leaves are grass-like! like 2

5/8/2020 Broadleaf Annuals Grassy Winter Broadleaf Perennials Grassy Broadleaf Annuals Grassy Summer Broadleaf Perennials Grassy ID TIPS – GROWING SEASON  Pay attention to the 1 st time you see it!  When (if ever) does it flower?  When does it look really good? 3

5/8/2020 ID TIPS – ANNUAL OR PERENNIAL  Does it show up in the same place every year?  Does it spread?  Is the root system deep/spread out? ID TIPS – BROADLEAF VS. GRASS  Do the leaves look like grass?  Do the leaves not look like grass? 4

5/8/2020 ID TIPS – FLOWERS/SEED HEAD  What color are the flowers?  Size & shape of the flowers  Size & shape of the seed head ID TIPS - SEDGES  Sedges have edges! Image from www.gowanco.com 5

5/8/2020 Broadleaf Annuals Grassy Winter Broadleaf Perennials Grassy Broadleaf Annuals Grassy Summer Broadleaf Perennials Grassy WINTER, ANNUAL, BROADLEAF  Chickweed  Henbit 6

5/8/2020 Broadleaf Annuals Grassy Winter Broadleaf Perennials Grassy Broadleaf Annuals Grassy Summer Broadleaf Perennials Grassy WINTER, PERENNIAL, BROADLEAF  Dandelion  Clover  Violets Clover Violets 7

5/8/2020 WINTER, PERENNIAL, BROADLEAF  Dock  Plantain Plantain  Sorrel Broadleaf Annuals Grassy Winter Broadleaf Perennials Grassy Broadleaf Annuals Grassy Summer Broadleaf Perennials Grassy 8

5/8/2020 SUMMER, ANNUAL, BROADLEAF  Fleabane  Purslane  Spurge Fleabane SUMMER, ANNUAL, BROADLEAF  Puncturevine  Ragweed Ragweed  Pigweed  Lambsquarter Lambsquarter 9

5/8/2020 Broadleaf Annuals Grassy Winter Broadleaf Perennials Grassy Broadleaf Annuals Grassy Summer Broadleaf Perennials Grassy SUMMER, PERENNIAL, BROADLEAF  Asters  Bindweed 10

5/8/2020 Broadleaf Annuals Grassy Winter Broadleaf Perennials Grassy Broadleaf Annuals Grassy Summer Broadleaf Perennials Grassy WINTER, ANNUAL, GRASSY  Little Barley  Annual Bluegrass  Annual Bromes 11

5/8/2020 Broadleaf Annuals Grassy Winter Broadleaf Perennials Grassy Broadleaf Annuals Grassy Summer Broadleaf Perennials Grassy WINTER, PERENNIAL, GRASS  Tall Fescue  Orchardgrass 12

5/8/2020 Broadleaf Annuals Grassy Winter Broadleaf Perennials Grassy Broadleaf Annuals Grassy Summer Broadleaf Perennials Grassy SUMMER, ANNUAL, GRASSY  Barnyardgrass  Crabgrass  Foxtail 13

5/8/2020 SUMMER, ANNUAL, GRASSY  Sandbur  Goosegrass Broadleaf Annuals Grassy Winter Broadleaf Perennials Grassy Broadleaf Annuals Grassy Summer Broadleaf Perennials Grassy 14

5/8/2020 SUMMER, PERENNIAL, GRASSY  Bermudagrass 15