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. 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
15