Populations quickly build, and the beetles further damage plants by feeding on flower and transmitting a disease called bacterial wilt, which causes plants to wilt and die. Damage: Striped cucumber beetles emerge in late spring and immediately begin feeding...
Notes Borage seedlings are only edible when very young. Feeding Not generally needed. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.
At the end of each season, be sure to pull all onions from the garden. Onion root maggots Onion root maggots Onion root maggots in garlic Onion root maggots in garlic Onion fly larvae burrow into plant roots Onion fly larvae burrow into plant roots Onion...
Frost tolerant Extremely cold hardy, even in harsh winter climates. Dried valerian roots are used to make a bedtime tea that promotes sleep. Position Full sun to partial afternoon shade.
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
Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. In less than full sun, tulip blossoms will twist toward the strongest directional light.
Frost tolerant None. Harvesting Snip off spent blossoms to keep plants looking neat, and to prolong flowering. Position Full sun to partial shade. Companions Thyme and Osteospermum.
Set out after the last frost has passed, when the soil is warm and settled. Crop Rotation Group Solanaceae (Potato and tomato family) ● Soil Rich soil with plenty of compost mixed in before planting.
Spacing Single Plants: 7" (20cm) each way (minimum) Rows: 7" (20cm) with 11" (30cm) row gap (minimum) Sow and Plant Sow direct into soil, and cover the seeded bed or furrow with a board to keep it moist.
Notes Self-fertile but pollination is improved by growing in groups with two or more cultivars present. Frost tolerant Yes Feeding Mulch with well-rotted organic matter in spring. Our Garden Planner can produce a personalized calendar of when to sow,...
Try growing different varieties from seed to explore differences in bulb color, size and shape. Grow short-day varieties in southern latitudes. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.
Position Full sun. Troubleshooting Use a paper or other roll-out mulch to prevent weeds. Often grown in widely spaced enriched hills, or in well-aged compost heaps that include some soil.
Adult flies overwinter as pupae about 2 inches (5cm) deep in the soil. 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...
Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. A few lantana varieties will persist as perennials where winters are mild, but most are killed by hard freezes.
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
Very sweet oranges need a long season of warm weather, but kumquats, calamondin oranges and satsumas fruit well in marginal areas or when grown in containers. Yellowing leaves indicate a need for more nitrogen.
Notes Powdery mildew can be a serious problem for white currants, so consider planting resistant varieties such as ‘Blanka' or ‘Pink Champagne'. Mulch after planting to keep the soil cool and moist.
Managing Outbreaks: Japanese beetle populations vary from year to year. Plan to hand pick often, by knocking the beetles into a bowl of soapy water. Damage: Japanese beetles chew holes in leaves, often devouring much of the foliage from roses and other...
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.
Notes Peaches may need to be hand-pollinated when grown in sheltered spots. Elsewhere peaches need full sun to limit disease and produce high quality fruit. Avoid planting in heavy soils.
Troubleshooting Use netting to prevent bird damage. Tent caterpillars build gauzy nests in early spring, and devour leaves. Young cherry trees are at high risk for damage from insects that bore into the main trunk.
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
Oregano often spreads in hospitable spots. Notes Frequent pinching back helps to keep plants bushy and full, and it delays flowering. Authentic Greek oregano can be grown from seeds or plants.
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 set out seedlings when the soil is settled and warm.
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
The caterpillars are found mostly on leaf undersides. Damage: The larvae rasp holes in plant leaves that gradually enlarge to give the leaves a windowpane appearance. Adult diamondback moths do not cause any damage Adult diamondback moths do not cause...
Preventing Problems: Check plants often for early outbreaks. In addition to the direct damage aphid feeding does to plants, aphids can transmit several diseases. Ants farming black bean aphids Ants farming black bean aphids Black bean aphids being farmed...
