Common Plant Diseases and Disorders

Find out how to recognize and treat wilt, scab, canker, blackspot and more.

Font
  • A
  • A
  • A

E-mail This Page to Your Friends

x

All fields are required.

Separate multiple e-mail addresses with a comma; Maximum 20 email addresses.

Refresh

Sending E-mail

Sending E-mail

Or Do Not E-mail

Success!

A link to %this page% was e-mailed

+ Enlarge Photo
Shrink Photo
Blossom End Rot Indicates Irregular Watering
Featured Products in This Gallery

DK - How to Grow Practically Everything © 2010 Dorling Kindersley Limited

Blossom end rot

Dark patches on tomatoes are a symptom of calcium deficiency, caused by drought or irregular watering. Water more often and apply a tomato fertilizer every week after flowering.

Advertisement
Loading...

Please forgive us, this gallery is really popular.

We sent a note to our support staff about the glitch you just experienced. Please click the button below to reload your content.

We Recommend...

Common Gardening Problems

Common Gardening Problems

Diseases and other problems are an inevitable part of gardening, but a few simple measures can significantly reduce the number....

(9 photos)
Effective Fungicides

Effective Fungicides

Got fungal disease on your favorite garden roses or vegetables? Master gardener Paul James offers simple and easy-to-use...

Killer Plants

Killer Plants

Some plants -- such as black walnut -- like to squelch the growth of other plants. Here's how to have a garden where all the...

From our Sister Sites:

Recently Added Designer Outdoor Spaces

Browse new outdoor spaces from top designers.

See More Designer Outdoor Spaces

HGTV Outdoors Newsletter

Find out how to make the most of patios, decks and all your outdoor areas, plus tips from master gardeners for beautiful flower beds and bountiful vegetable gardens.