Pictures Of Common Lawn Weeds In Indiana – Indiana Turf Weed Identification

Indiana lawns frequently contend with chickweed and henbit that appear during cooler months. To help you identify these invaders, we have compiled pictures of common lawn weeds in indiana along with simple control methods. This guide will save you time and frustration when tackling unwanted plants in your yard.

Weeds can ruin the look of a well-kept lawn. Knowing what you are dealing with is the first step to getting rid of them. Below, you will find clear photos and descriptions for the most persistent weeds found across Indiana.

Pictures Of Common Lawn Weeds In Indiana

This section shows you the top weeds you will likely encounter. Each entry includes a short description, where it grows, and how to remove it. Keep your phone handy—you can compare these pictures to what you see outside.

Chickweed (Stellaria Media)

Chickweed is a low-growing winter annual. It forms dense mats in thin lawns. The leaves are small, oval, and opposite each other. Tiny white flowers appear in early spring.

  • Appearance: Bright green, spreading stems with hairs on one side.
  • Season: Germinates in fall, grows through winter, dies in late spring.
  • Control: Hand pull when soil is moist. Apply pre-emergent herbicide in early September.

Henbit (Lamium Amplexicaule)

Henbit looks similar to chickweed but has square stems and purple flowers. It thrives in cool, moist conditions. You will often see it in lawns that are mowed too short.

  • Appearance: Rounded leaves with scalloped edges. Flowers are pinkish-purple.
  • Season: Winter annual, active from fall through early summer.
  • Control: Mow higher (3-4 inches) to shade it out. Use post-emergent herbicide in early spring.

Dandelion (Taraxacum Officinale)

Dandelions are perhaps the most recognizable weed. They have a deep taproot and bright yellow flowers that turn into puffballs. They can grow in almost any soil.

  • Appearance: Basal rosette of jagged leaves. Single yellow flower head on a hollow stem.
  • Season: Perennial, active spring through fall.
  • Control: Dig out the entire taproot. Apply broadleaf herbicide in fall for best results.

Ground Ivy (Glechoma Hederacea)

Also called creeping Charlie, ground ivy has a minty smell when crushed. It spreads quickly via stolons and forms thick mats in shady areas.

  • Appearance: Round, scalloped leaves on square stems. Small blue-purple flowers in spring.
  • Season: Perennial, active in cool weather.
  • Control: Improve sunlight and air circulation. Use herbicide containing triclopyr in fall.

White Clover (Trifolium Repens)

White clover is a low-growing perennial with three-leaf clusters. It fixes nitrogen, so it actually benefits the soil, but many homeowners dislike its patchy look.

  • Appearance: Creeping stems that root at nodes. White or pinkish flower heads.
  • Season: Perennial, grows best in cool, moist conditions.
  • Control: Hand pull small patches. Apply a selective broadleaf herbicide in spring or fall.

Crabgrass (Digitaria Spp.)

Crabgrass is a warm-season annual that appears in summer. It grows low to the ground and spreads rapidly. It thrives in thin, stressed lawns.

  • Appearance: Wide, light green leaves. Stems grow outward from a central point.
  • Season: Germinates in late spring, dies after first frost.
  • Control: Apply pre-emergent in early April. Maintain thick, healthy turf to prevent it.

Nutsedge (Cyperus Spp.)

Nutsedge looks like grass but has a triangular stem. It grows faster than lawn grass and produces tubers underground. It loves wet soil.

  • Appearance: Shiny, yellow-green leaves. Stems are solid and three-sided.
  • Season: Perennial, active in summer.
  • Control: Improve drainage. Use herbicide containing halosulfuron or sulfentrazone.

Plantain (Plantago Spp.)

Both broadleaf and narrowleaf plantain are common in Indiana. They form rosettes of leaves and send up tall seed stalks. They tolerate compacted soil well.

  • Appearance: Oval or lance-shaped leaves with prominent veins. Small green flowers on spikes.
  • Season: Perennial, active spring through fall.
  • Control: Loosen compacted soil. Hand pull or spot treat with broadleaf herbicide.

Wild Violet (Viola Spp.)

Wild violets have heart-shaped leaves and purple or white flowers. They spread by seeds and rhizomes. They are common in shady, moist areas.

  • Appearance: Glossy, dark green leaves. Flowers have five petals.
  • Season: Perennial, blooms in spring.
  • Control: Hand dig carefully to remove all roots. Use herbicide with dicamba or triclopyr in fall.

Poa Annua (Annual Bluegrass)

Poa annua is a light green grass that stands out in a darker lawn. It produces seed heads even when mowed short. It is a winter annual that dies in summer heat.

  • Appearance: Fine-textured, light green leaves. White seed heads appear in spring.
  • Season: Winter annual, active fall through spring.
  • Control: Apply pre-emergent in late summer. Improve lawn density to outcompete it.

How To Identify Weeds Using Pictures

Using pictures is the easiest way to identify weeds. Here is a simple step-by-step process you can follow in your own yard.

  1. Take a clear photo of the weed from above and from the side.
  2. Note the leaf shape, flower color, and growth habit (rosette, spreading, upright).
  3. Compare your photo to the pictures in this article or use a plant identification app.
  4. Check the season—some weeds only appear in cool weather, others in heat.
  5. Look at where it grows: sun or shade, wet or dry soil.

Once you have identified the weed, you can choose the right control method. Misidentification often leads to wasted time and money on the wrong herbicide.

Common Mistakes When Identifying Weeds

  • Confusing chickweed with henbit—look at the stem: round for chickweed, square for henbit.
  • Thinking nutsedge is grass—feel the stem; if it is triangular, it is nutsedge.
  • Mistaking ground ivy for wild violet—ground ivy has a minty smell, wild violet does not.

Best Times To Control Weeds In Indiana

Timing is everything when it comes to weed control. Indiana has a humid continental climate with cold winters and warm summers. This affects when weeds grow and how you should treat them.

Spring (March To May)

This is when winter annuals like chickweed and henbit are most visible. Apply post-emergent herbicides when temperatures are above 50°F. Do not apply before a rainstorm.

  • Target: Winter annuals and early perennials like dandelion.
  • Method: Spot spray with broadleaf herbicide.
  • Tip: Mow before spraying to expose weed leaves.

Summer (June To August)

Warm-season weeds like crabgrass and nutsedge are active. Pre-emergent applied in spring will stop crabgrass, but nutsedge needs a specific herbicide.

  • Target: Crabgrass, nutsedge, and summer annuals.
  • Method: Use post-emergent for nutsedge; hand pull crabgrass if few.
  • Tip: Water deeply to keep lawn strong and reduce weed pressure.

Fall (September To November)

This is the best time to control perennial weeds like dandelion and ground ivy. Weeds are storing energy in their roots, so herbicides are more effective.

  • Target: Perennials and winter annuals.
  • Method: Apply broadleaf herbicide; reseed thin areas.
  • Tip: Aerate before spraying to improve herbicide uptake.

Winter (December To February)

Most weeds are dormant. You can still hand pull chickweed or henbit if the ground is not frozen. Avoid using herbicides in freezing weather.

  • Target: None active.
  • Method: Hand pull only.
  • Tip: Plan your spring weed control strategy now.

Preventing Weeds In Your Indiana Lawn

Prevention is easier than cure. A healthy, thick lawn naturally crowds out weeds. Here are the key steps to keep your lawn weed-free.

Mow At The Right Height

Mowing too short stresses grass and lets sunlight reach weed seeds. For cool-season grasses like fescue and bluegrass, keep the blade at 3 to 4 inches. This shades the soil and prevents weed germination.

  • Never cut more than one-third of the grass blade at once.
  • Keep mower blades sharp to avoid tearing grass.
  • Leave clippings on the lawn—they return nutrients.

Water Deeply And Infrequently

Shallow watering encourages weed seeds to sprout. Water your lawn deeply once or twice a week, giving it about 1 inch of water per session. This promotes deep roots that outcompete weeds.

  • Water early in the morning to reduce evaporation.
  • Use a rain gauge to measure how much you apply.
  • Avoid watering in the evening—wet grass overnight invites disease.

Fertilize Properly

Weeds thrive in poor soil. A balanced fertilizer helps grass grow thick and strong. Test your soil every few years to know what nutrients it needs.

  • Apply nitrogen in fall for cool-season grasses.
  • Use a slow-release fertilizer to avoid burning the lawn.
  • Do not over-fertilize—excess nitrogen can feed weeds.

Overseed Thin Areas

Bare spots are invitations for weeds. Overseed in early fall or spring to fill in gaps. Use a grass seed mix that matches your existing lawn type.

  • Rake the area to loosen soil before seeding.
  • Keep seeded areas moist until grass is established.
  • Apply a starter fertilizer to help new grass grow.

Safe Herbicide Use For Indiana Lawns

Herbicides can be effective, but they must be used correctly. Always read the label and follow instructions. Here are some safety tips.

Choose The Right Product

Not all herbicides kill all weeds. Broadleaf herbicides work on dandelions, clover, and ground ivy. Grass-specific herbicides target crabgrass and nutsedge. Read the label to ensure it matches your weed.

  • Selective herbicides kill only certain plants.
  • Non-selective herbicides (like glyphosate) kill everything—use carefully.
  • Look for products labeled for lawn use.

Apply At The Right Time

Herbicides work best when weeds are actively growing. Avoid applying during drought, extreme heat, or just before rain. Windy days can cause drift to nearby plants.

  • Check the weather forecast before spraying.
  • Use a sprayer with a shield to protect desirable plants.
  • Do not apply when temperatures are above 85°F.

Protect Yourself And The Environment

Wear gloves, long sleeves, and eye protection when handling herbicides. Keep children and pets off the lawn until the product has dried. Dispose of containers properly.

  • Mix only what you need—do not store leftover spray.
  • Clean spray equipment after each use.
  • Never pour herbicides down drains or into water sources.

Natural Weed Control Options

If you prefer to avoid chemicals, there are natural methods that work well for small infestations. These take more effort but are safer for pets and pollinators.

Hand Pulling

For weeds with shallow roots like chickweed and henbit, hand pulling is effective. Pull after rain when soil is soft. Make sure to remove the entire root to prevent regrowth.

  • Use a weeding tool for deep taproots like dandelion.
  • Dispose of weeds in the trash, not compost, to avoid spreading seeds.
  • Pull weeds before they flower and set seed.

Boiling Water

Pouring boiling water over weeds kills them instantly. This works well for weeds in cracks in driveways or patios. Be careful not to splash nearby grass.

  • Use a kettle with a spout for precise application.
  • Repeat for stubborn weeds with deep roots.
  • This method is safe for the environment but kills any plant it touches.

Vinegar Solutions

Household vinegar (5% acetic acid) can kill young weeds. For tougher weeds, use horticultural vinegar (20% acetic acid). Add a few drops of dish soap to help it stick.

  • Apply on a sunny day for best results.
  • Vinegar is non-selective—avoid contact with grass.
  • It may take multiple applications for perennial weeds.

Corn Gluten Meal

Corn gluten meal is a natural pre-emergent. It prevents weed seeds from germinating. Apply in early spring and again in late summer for best coverage.

  • Use about 20 pounds per 1,000 square feet.
  • Water it in after application.
  • It also adds nitrogen to the soil.

Frequently Asked Questions

What is the most common weed in Indiana lawns?

The most common weed is probably dandelion, followed closely by crabgrass and chickweed. Dandelions are easy to spot with their yellow flowers and are found in almost every lawn.

Can I use pictures of common lawn weeds in Indiana to identify weeds in my yard?

Yes, using pictures is a great way to identify weeds. Compare the leaf shape, flower color, and growth habit to the images in this article. You can also use a plant identification app for extra help.

When should I apply pre-emergent herbicide in Indiana?

Apply pre-emergent in early April for summer weeds like crabgrass. For winter annuals like chickweed, apply in early September. Soil temperature should be around 55°F for crabgrass prevention.

Are there weeds that look like grass in Indiana?

Yes, nutsedge and poa annua look similar to grass. Nutsedge has a triangular stem and grows faster. Poa annua is lighter green and produces seed heads even when mowed short.

How do I get rid of ground ivy without chemicals?

Hand pulling is difficult because ground ivy spreads by runners. You can smother it with mulch in garden beds. Improve sunlight and air circulation in your lawn to discourage it. Repeated mowing at a higher height can also help.

Final Tips For A Weed-Free Lawn

Keeping weeds out of your Indiana lawn takes consistent effort. Start by identifying what you have using the pictures in this guide. Then choose the right control method based on the season and your preferences.

Remember that a healthy lawn is your best defense. Mow high, water deeply, and fertilize at the right times. If you stay on top of small problems, they will not become big ones.

Do not be discouraged if you see a few weeds. Even the best lawns have them. The key is to act quickly and correctly. With the pictures of common lawn weeds in indiana and the tips above, you are ready to take control of your yard.