Plant Problems

Learn how to avoid the many plant problems you'll run into when gardening - pests, diseases, and more. We provide treatment and prevention tips!

Close-up of a large, pinkish-brown Iris germanica larva with ridged segments and a dark head.

Garden Pests

How to Get Rid of Iris Borers in 7 Steps

Iris borers are the larvae of a brown moth. They look like mini caterpillars that tunnel into iris leaves and rhizomes. The damage they cause is significant, which is why control is crucial. Get rid of pesky iris borers with these seven easy steps from seasoned grower Jerad Bryant.

Close up of blooming and wilting daffodil plants with yellowing and browning leaves in a sunny garden.

Plant Problems

Why Are My Daffodil Leaves Turning Brown and Yellow?

Yellow and brown daffodil leaves are normal if they change color after the blooms fade in late spring or early summer. If they turn yellow at any other time, they may be indicators of pests, diseases, or adverse growing conditions. Join seasoned grower Jerad Bryant in discovering what daffodils need to grow their best.

Close-up of flowering weeds that are good for the garden, with delicate green stems supporting clusters of trifoliate leaves with rounded, slightly notched leaflets and small, spherical flower heads in white hues.

Weeds

7 Weeds That Are Actually Good for Your Garden

Pulling weeds isn't usually a fun part of gardening. We have good news about some of those plants you might be plucking out. Gardening expert Melissa Strauss focuses on some beneficial plants that we commonly consider to be a nuisance.

Plant Problems

5 Prayer Plant Diseases to Watch for This Season

Do you want to grow stunning, multicolored prayer plants this season? As beautiful as they are, some diseases can take them out if you’re not careful. In this article, horticulture expert Matt Dursum covers common prayer plant diseases to watch for this season.

Round and yellow fruits on a plant that appear infected with a type of lemon tree diseases

Plant Diseases

7 Lemon Tree Diseases: Causes and Cures

Lemon tree diseases such as citrus black spot and citrus canker can wipe out your favorite lemon tree in a season. But with a little preparation and insight, you’ll prevent these harmful diseases and save your fruit. In this article, horticulture expert Matt Dursum covers the causes and cures of common lemon tree diseases.

Upright stems hold medium, cup-shaped flowers with ruffled pink petals, surrounded by yellowing leaves showing brown spots and dry tips.

Plant Problems

Why Are My Hellebore Leaves Turning Yellow and Brown?

We admire hellebores for their elegant blooms and dark, handsome foliage. If yours shows yellowing or browning leaves, there are a few key cultural conditions to explore. Garden expert Katherine Rowe examines the primary reasons for hellebore leaf discoloration and how to revive the longlived perennials.

A tiny, dark-winged insect with translucent wings rests on a bright green leaf's smooth surface.

Garden Pests

Do Fungus Gnats Damage Houseplants?

You may be wondering, do fungus gnats damage houseplants? If you notice swarms of tiny brown flies around your houseplants, they could be infested. In this article, plant expert Matt Dursum answers your fungus gnats questions and shows you what to do about them.

Heliotrope plant leaves covered in powdery mildew, with additional foliage blurred in the background

Plant Diseases

5 Greenhouse Plant Fungal Diseases To Watch For in Winter

Though the greenhouse protects tender plants from frost, it often invites fungal pathogens that thrive with standing air and consistent moisture. Watch for these five common diseases to keep your plants safe. Seasoned grower Jerad Bryant shares prevention and treatment solutions that work against the fungi.