Be sure to get covers installed early, before the newly emerged adults fly in search of host plants. Frequently the plant will break off as you pull it from the ground. Beneficial nematodes are the only effective treatment for this pest.
Position Full sun to partial afternoon shade. They are also much loved by cats and dogs. Feeding Not generally needed. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Lemon Balm Aphids (General) Slug Snail Harvesting Gather sprigs as needed in the kitchen. Lemon balm grows into a rounded mound.
Most tulips are hardy to -35F (-37C); cold tolerance varies with species. Spacing Single Plants: 5" (15cm) each way (minimum) Rows: 3" (10cm) with 5" (15cm) row gap (minimum) Sow and Plant Set out dormant bulbs from late summer to early winter.
Position Full sun to partial shade. Tall varieties make great cut flowers. Feeding Mix a light application of a balanced organic fertilizer into the soil prior to planting. Most gardeners buy ageratum seedlings, but only dwarf varieties are widely available...
Crop Rotation Group Solanaceae (Potato and tomato family) ● Soil Rich soil with plenty of compost mixed in before planting. Set out after the last frost has passed, when the soil is warm and settled.
Crop Rotation Group Umbelliferae (Carrot and root family) ● Soil Deeply worked soil that has not had compost or manure added withing 6 months. Spacing Single Plants: 7" (20cm) each way (minimum) Rows: 7" (20cm) with 11" (30cm) row gap (minimum) Sow...
Can be grown as a hedge. Position Sheltered spot in full sun or partial shade. Companions Crimson Clover. Mulch after planting, and encircle the trunk with a wire cage or protective pipe to protect the young tree from animal and insect pests.
Crop Rotation Group Allium (Onion family) ● Soil Fertile, well drained soil with compost dug in. Harvesting Harvest young onions as scallions. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Onions (Red) Aphids (General) Onion...
Often grown in widely spaced enriched hills, or in well-aged compost heaps that include some soil. Do not weed after the fruits have set. Companions Tansy, Nasturtium and Catnip. Fast-growing muskmelons often do best where summers are cool and rainy,...
Apple maggot trap Apple maggot trap Apple maggot fly [Credit: Elena Dadale Jones ] Apple maggot fly [Credit: Elena Dadale Jones ] Host Plants: In the garden: Hawthorn On Crops: Apple Where Found: Much of North America Description: Small black flies with...
Frost tolerant Very limited. Position Full sun. Feeding Mix a standard application of a balanced organic fertilizer into the soil prior to planting along with a generous helping of well-rotted compost.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Chamomile Aphids (General) Slug Snail Chamomile tea is made from the blossoms only. When allowed to shed mature seeds, chamomile often becomes a welcome volunteer plant.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Orange (Container Grown) Aphids (General) Slug Snail Position A sheltered spot in full sun spring to fall. Frost tolerant No. Grow at temperatures above 7°C (45°F).
Crop Rotation Group Miscellaneous ● Soil Rich soil with compost dug in. In winter, prune out old branches close to the ground. Planting and Harvesting Calendar < Back to All Plants Pests which Affect White Currant Aphids (General) Slug Snail
Damage: Japanese beetles chew holes in leaves, often devouring much of the foliage from roses and other favored plants. Although traps will collect hundreds of beetles, they may attract beetles from far beyond your yard.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Lavender Aphids (General) Slug Snail Harvesting Gather spikes of lavender flowers as soon as they open, and dry in small bundles before storing in an airtight container.
Peach borers can be identified by holes in the bark with a sawdustlike frass. Avoid planting in heavy soils. Remove any fallen fruits as soon as possible. Corridors within the orchard that are planted with clovers and other legumes contribute to soil...
Healthy cherry trees will bear for twenty years or more. Corridors within the orchard that are planted with clovers and other legumes contribute to soil fertility and attract pollinators.
Thin to proper spacing after two weeks. Companions Melon, Cucumber, Pepper and Eggplant. Wear gloves and a long-sleeved shirt to avoid prickles. Frost tolerant No. Feeding Not required, but thrifty growth often indicates nutritional stress.
Crop Rotation Group Miscellaneous ● Soil Any average, well drained soil in an easily accessible site. Moderately invasive. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Oregano Aphids (General) Slug Snail
Crop Rotation Group Solanaceae (Potato and tomato family) ● Soil Well drained soil that holds moisture well. Spacing Single Plants: 1' 1" (35cm) each way (minimum) Rows: 11" (30cm) with 1' 3" (40cm) row gap (minimum) Sow and Plant Start indoors, and...
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Walnut Aphids (General) Codling Moth Fall Webworms Slug Snail Harvesting Knock down nuts when ripe, remove the peel and dry.
Beneficial insects including many types of wasps and hornets harvest large numbers of immature larvae to feed to their young. Avoid planting succession brassica crops when a diamondback moth infestation has occurred.
Be sure to apply the soap spray to leaf undersides and crevices. Ants tend to be attracted to the honeydew left by aphids, so ant activity can often lead you to aphid colonies. Managing Outbreaks: In small outbreaks, a high pressure spray from the garden...
Thin to proper spacing when the seedlings are 1 week old. Companions Nasturtium, Lettuce and Peas. Young radishes have the best flavor, so pull them promptly. Frost tolerant No. Feeding Not required.
Crop Rotation Group Umbelliferae (Carrot and root family) ● Soil Rich, moisture-retentive soil with plenty of compost dug in. Spacing Single Plants: 1' 1" (35cm) each way (minimum) Rows: 11" (30cm) with 1' 3" (40cm) row gap (minimum) Sow and Plant Sow...
