5/8/2020

GETTING TO KNOW YOUR 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. Warm Season Growth Patterns

Cool Season Warm Season

Growth Rate

Spring Summer Fall

1 5/8/2020

GETTING TO KNOW YOUR WEEDS

Annual Weeds Perennial Weeds Grow from seed Grows from the same every year plant (roots) every year

Timing is important Can also grow new to control plants from seed

Usually easy to Can be more difficult prevent to control

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 1st 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

Sorrel Plantain

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

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