Tips: Yellow sticky traps or yellow pans of water can be used to monitor and trap onion flies. At the end of each season, be sure to pull all onions from the garden. Beneficial nematodes are the only effective treatment for this pest.
Gather them for use as cut flowers to keep valerian from reseeding and becoming invasive. Position Full sun to partial afternoon shade. Plants die back to the ground in winter and re-emerge in spring.
Spacing Single Plants: 1' 11" (60cm) each way (minimum) Rows: 1' 11" (60cm) with 1' 11" (60cm) row gap (minimum) Sow and Plant Start with a purchased plant, or obtain a rooted piece from a friend or neighbour who has an established clump.
Cover the bulbs to four times their depth with loose soil. Crop Rotation Group Miscellaneous ● Soil Average garden soil with excellent drainage. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Tulip Aphids (General) Slug Snail
Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Position Full sun to partial shade. Ageratum cannot tolerate cold temperatures.
Troubleshooting Watch for leaf-eating tomato hornworms, and pick them off. Notes Bushy determinate plants can be tied to stakes, but long-bearing indeterminate varieties need a sturdy cage or trellis.
Harvesting Use a digging fork to loosen soil along outside of the planting before pulling roots. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.
Harvesting Harvest when the husks begin to turn yellow in early fall. Corridors within the orchard that are planted with clovers and other legumes contribute to soil fertility and attract pollinators.
Companions Beet, Carrot, Swiss Chard and Cabbage. Position Full sun. Seedlings are less likely to bolt (produce flowers) compared to bulb onions grown from sets. Long-day varieties work best in northern areas.
Harvesting Many muskmelons and cantaloupes separate naturally from the stem when the melons are ripe, so they come away from the vine with only a gentle tug. Often grown in widely spaced enriched hills, or in well-aged compost heaps that include some...
Managing Outbreaks: Enclosing perfect green apples in clear plastic sandwich bags will protect them from apple maggots and other pests. Newly emerged flies will be attracted to the traps rather than each other, but it is important that the traps be in...
Harvesting Snip off any seed clusters that form and discard them, as they are poisonous. When growing lantana in containers, use a coarse potting soil that drains well. As long as they have ample water, lantanas tolerate extreme heat.
Companions Cabbage, Lettuce, Spinach, Calendula, Cilantro, Feverfew and Mint. Harvesting Cut branches when they are holding numerous open flowers, and hang in small bunches to dry.
Companions Lavender and Garlic. Grow in containers of rich compost to keep plants compact and to make it easy to bring plants indoors for the winter. Soft soap sprays can help against scale insects.
Slow-growing plants can be fed again in early summer. Position White currants grow best in locations that receive morning sun and afternoon shade, or dappled shade part of the day.
When they stop feeding in late summer, the larvae (grubs) become a problem in lawns, where they damage grass by eating roots. Damage: Japanese beetles chew holes in leaves, often devouring much of the foliage from roses and other favored plants.
Colourful petunias, nasturitums or other annual flowers that contrast with lavender's gray-green foliage and blue flowers. Lavender demands excellent drainage, and benefits from dry, airy conditions.
Control by allowing hens to feed around trees, or shake branches to dislodge the insects onto a sheet then plunge into very hot water. Notes Peaches may need to be hand-pollinated when grown in sheltered spots.
Mulch after planting, and encircle the trunk with a wire cage or protective pipe to protect the young tree from animal and insect pests. Prune in late winter to shape trees and removed damaged branches.
Troubleshooting Ants sometimes damage okra blossoms. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Wear gloves and a long-sleeved shirt to avoid prickles.
Spacing Single Plants: 7" (20cm) each way (minimum) Rows: 5" (15cm) with 9" (25cm) row gap (minimum) Sow and Plant Start with a purchased plant, or start seeds indoors and set out at about the time of your last frost.
Troubleshooting Hot weather can cause peppers to temporarily stop flowering. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.
Can restrict growth in other plants nearby, because many plants (including tomatoes) are sensitive to juglone, a substance present in walnut roots, leaves and wood. Notes Healthy walnut trees will bear for many decades.
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.
Troubleshooting Flea beetles often make small holes in leaves, but do not merit control. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.
Dig the roots after the weather cools in the fall. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Harvesting Young leaves can be used to season cooked dishes.
