Common Disease Problems
Apple Scab: This is a fungus that attacks both the foliage and the fruit. Leaf spots appear and are circular or irregular in shape, brown to olive green in color. Leaves may fall prematurely. Fruit lesions are circular and brown to black in color. The skin will rupture around where the lesions form revealing the layer of spores. Burpee Recommends: Check with your Cooperative Extension Service for recommendations.
Brown Rot: A fungal disease causing a brown, spreading rot in fruit. It is caused by the same fungi that cause blossom wilt of the flowers and fruit spurs. Burpee Recommends: Check with your Cooperative Extension Service for recommendations.
Leaf Blights: This causes tan spotting on the foliage and causes plants to lose vigor. Burpee Recommends: Check with your Cooperative Extension Service for fungicide recommendations.
Common Pest and Cultural Problems
Aphids: Greenish, red, black or peach colored sucking insects can spread disease as they feed on the undersides of leaves. They leave a sticky residue on foliage that attracts ants. Burpee Recommends: Introduce or attract natural predators into your garden such as lady beetles and wasps which feed on aphids. You can also wash them off with a strong spray, or use an insecticidal soap.
Apple Sawfly: These are seen at the time of blossom. They lay their eggs at the base of open flowers. Once the eggs hatch, the caterpillar like larvae burrows into young fruits making their way to the core. Burpee Recommends: Rake up any fallen infested fruits and remove. Check with your Cooperative Extension Service for suggestions.
Caterpillars: These are evident on foliage. Burpee Recommends: Hand pick and remove.
Leafhoppers: Leafhoppers cause injury to leaves and stunt growth. They also spread disease. Burpee Recommends: Remove plant debris. Use insecticidal soaps. Consult your Cooperative Extension Service for other insecticide recommendations.
Scale: Small bugs look like brown, black, gray to white bumps on the stems of plants. Scale may not have any apparent legs and may not move. Scales have a sucking mouth part. Scale may produce honeydew so leaves and stems may be sticky. Scale can weaken the plant causing it to grow very slowly and may wilt at the middle of the day. Burpee Recommends: Completely spray the stems with insecticidal soap. For a severe infestation contact your local County Extension Service for recommendation for your area.
Spider Mites: These tiny spider-like pests are about the size of a grain of pepper. They may be red, black, brown or yellow. They suck on the plant juices removing chlorophyll and injecting toxins which cause white dots on the foliage. There is often webbing visible on the plant. They cause the foliage to turn yellow and become dry and stippled. They multiply quickly and thrive in dry conditions. Burpee Recommends: Spider mites may be controlled with a forceful spray every other day. Try hot pepper wax or insecticidal soap. Check with your Cooperative Extension Service for miticide recommendations.
Do I need two different varieties of medlar to get fruit? No, medlars are self-pollinating.
Will I get fruit the first year? No. Expect first fruit in 3 years after planting and 5-7 years after planting for full fruit.
Do medlars require cold temperatures to produce fruit? We recommend medlars to zone 9, they have low chill hours but they do not perform well in zone 10.