Damage: When young onion plants wilt for no apparent reason, pull up a sample plant to check for legless worms (maggots) feeding on it roots. Be sure to get covers installed early, before the newly emerged adults fly in search of host plants.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Valerian Aphids (General) Slug Snail They are also much loved by cats and dogs. Valerian can stand 5 feet (1.5 meters) tall when it is in full bloom.
Companions Squash, Tomato and Beans. Frost tolerant A cold-hardy perennial, lemon balm can survive temperatures to -20F (-30C). Planting and Harvesting Calendar < Back to All Plants Pests which Affect Lemon Balm Aphids (General) Slug Snail
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Tulip Aphids (General) Slug Snail Frost tolerant Excellent. In less than full sun, tulip blossoms will twist toward the strongest directional light.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Ageratum Aphids (General) Slug Snail Tall varieties make great cut flowers. Dwarf types make good edging plants for beds and containers.
Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Black patches on the bottom of fruits are a nutritional disorder best prevented by growing tomatoes in well-prepared soil with constant light moisture.
Germination often takes up to 2 weeks. Can be left in the soil through winter in many areas. Notes Thin seedlings to proper spacing when they are 4 inches tall. Position Sun or partial shade.
Companions Crimson Clover. Corridors within the orchard that are planted with clovers and other legumes contribute to soil fertility and attract pollinators. Frost tolerant Yes Feeding Mulch with well-rotted organic matter in spring.
Grow short-day varieties in southern latitudes. Position Full sun. When bulbs form and the tops of the plants fall over, pull them and cure in a warm place for about 10 days before storing.
Preventing Problems: In areas where this pest is common, hang pheromone-baited sticky traps in apple trees in early summer, before fruits grow larger than your thumbnail. Some apple varieties are more susceptible to apple maggot damage than others.
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. When growing lantana in containers, use a coarse potting soil that drains well.
Feeding Not usually required. Frost tolerant Young seedlings easily tolerate spring frosts, and may survive winters in mild climates. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Chamomile Aphids (General) Slug Snail
Picking can continue for several weeks as fruits do not ripen all at once. Grow in containers of rich compost to keep plants compact and to make it easy to bring plants indoors for the winter.
Mulch after planting to keep the soil cool and moist. Position White currants grow best in locations that receive morning sun and afternoon shade, or dappled shade part of the day.
They fly away or drop to the ground when disturbed. When they stop feeding in late summer, the larvae (grubs) become a problem in lawns, where they damage grass by eating roots. Preventing Problems: Use row covers to protect plants during the 6 to 8-week...
Companions Rose, Rosemary, Sage, Mint, Agastache, Apple, Cherry, Peach, Pear and Plum. Frost tolerant A hardy perennial from the Mediterranean, lavender will survive winter temperatures to 0F/-17C.
Keep the area under peaches mulched with wood chips or sawdust. A wide hole is better than a very deep one. Elsewhere peaches need full sun to limit disease and produce high quality fruit.
Healthy cherry trees will bear for twenty years or more. Feeding Cherries benefit from a mulch of well-rotted organic matter and a feed with a balanced organic fertilizer in spring.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Okra Aphids (General) Slug Snail Plant Diseases which Affect Okra Okra Blossom Blight Okra Root Knot Nematodes
Notes Frequent pinching back helps to keep plants bushy and full, and it delays flowering. Frost tolerant Hardy in cold climates provided plant is well-rooted and mulched. Harvesting Gather sprigs as needed in the kitchen.
Mulch to keep soil lightly moist at all times. They will pick up again when nights cool down. Notes Tie heavy-bearing plants to a single stake to keep them from falling over. Position Full sun.
Companions Persimmon. Frost tolerant Yes, but flowers can be damaged by late frosts. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Walnut Aphids (General) Codling Moth Fall Webworms Slug Snail
Damage: The larvae rasp holes in plant leaves that gradually enlarge to give the leaves a windowpane appearance. They do not have the velvety skin texture of cabbage worms, which are a different pest.
In addition to the direct damage aphid feeding does to plants, aphids can transmit several diseases. Damage: Black bean aphids are usually visible on plants because of their contrasting color.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Radish Aphids (General) Cabbage Root Maggot Slug Snail Plant Diseases which Affect Radish Brassica Alternaria Leaf Spot
Thin to proper spacing when the plants are about one month old. Troubleshooting Large, stately plants are easy to grow. Notes Mulch to keep the soil cool and moist. Position Full sun.
