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Dig and move perennial onions every fall. 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 flies lay eggs at the base...

Troubleshooting Control valerian's spread by cutting back flowering stems before they can shed seeds in your garden. After two years, valerian will grow into a 18" (45 cm) wide clump.

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.

Feeding Topdress with rich compost in spring, when new growth appears. Clear primary colors create a festive effect in a mixed planting. Colors choices are endless, from white to almost black.

Troubleshooting White ageratum blossoms go brown as they age, which is not as noticeable in varieties that bloom blue. Spacing Single Plants: 7" (20cm) each way (minimum) Rows: 7" (20cm) with 11" (30cm) row gap (minimum) Sow and Plant Sow tiny ageratum...

Position Full sun. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Troubleshooting Watch for leaf-eating tomato hornworms, and pick them off.

Position Sun or partial shade. Germination often takes up to 2 weeks. Harvesting Use a digging fork to loosen soil along outside of the planting before pulling roots. Can be left in the soil through winter in many areas.

Corridors within the orchard that are planted with clovers and other legumes contribute to soil fertility and attract pollinators. Hazelnuts grow best in climate such as the Pacific Northwest, where winters are chilly yet mild.

Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Crop Rotation Group Allium (Onion family) ● Soil Fertile, well drained soil with compost dug in.

In the US, melons are at high risk for damage from squash bugs, squash vine borers, cucumber beetles and bacterial wilt, so using row cover is a wise preventive strategy. Notes Fruit size, flesh color and texture varies with variety and type of melon.

The fly larvae tunnel through the fruit as they feed, making the fruit lumpy, disfigured, and prone to rot. Preventing Problems: In areas where this pest is common, hang pheromone-baited sticky traps in apple trees in early summer, before fruits grow...

When growing lantana in containers, use a coarse potting soil that drains well. As long as they have ample water, lantanas tolerate extreme heat. Crop Rotation Group Miscellaneous ● Soil Any fertile soil with excellent drainage.

Companions Cabbage, Lettuce, Spinach, Calendula, Cilantro, Feverfew and Mint. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Chamomile Aphids (General) Slug Snail

Harvesting Pick when richly colored and fully ripe. Oranges grafted onto a dwarfing rootstock may be grown in containers. Yellowing leaves indicate a need for more nitrogen. Companions Lavender and Garlic.

Spacing Single Plants: 2' 11" (90cm) each way (minimum) Rows: 2' 11" (90cm) with 2' 11" (90cm) row gap (minimum) Sow and Plant Plant in spring, just as the plants are emerging from dormancy.

When they stop feeding in late summer, the larvae (grubs) become a problem in lawns, where they damage grass by eating roots. Although traps will collect hundreds of beetles, they may attract beetles from far beyond your yard.

Colourful petunias, nasturitums or other annual flowers that contrast with lavender's gray-green foliage and blue flowers. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Lavender Aphids (General) Slug Snail

Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Healthy peach trees will bear for fifteen years or more. Corridors within the orchard that are planted with clovers and other legumes contribute to...

However, because cherries ripen early, they have fewer disease problems compared to many other tree fruits. Position Sunny spot with excellent air circulation. Crop Rotation Group Miscellaneous ● Soil Fertile, moisture-retentive but well-drained soil.

Notes Requires warm weather to grow well. Crop Rotation Group Miscellaneous ● Soil Fertile, well drained soil amended with compost. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Okra Aphids (General) Slug Snail Plant Diseases...

Authentic Greek oregano can be grown from seeds or plants. Crop Rotation Group Miscellaneous ● Soil Any average, well drained soil in an easily accessible site. Spacing Single Plants: 7" (20cm) each way (minimum) Rows: 5" (15cm) with 9" (25cm) row gap...

Position Full sun. Mulch to keep soil lightly moist at all times. Troubleshooting Hot weather can cause peppers to temporarily stop flowering. They will pick up again when nights cool down.

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. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Walnut Aphids...

Avoid planting succession brassica crops when a diamondback moth infestation has occurred. Tips: Diamondback moths can complete their life cycle within a 15-30 day period during the summer months.

Ants tend to be attracted to the honeydew left by aphids, so ant activity can often lead you to aphid colonies. Tips: Lady beetles and their larvae are great beneficial insects to welcome into your garden.

Notes Use radishes to mark divisions between sowings of salad greens or other spring vegetables. Crop Rotation Group Brassicas (Cabbage family) ● Soil Almost any soil with good drainage.

Position Full sun. Thin to proper spacing when the plants are about one month old. Dig the roots after the weather cools in the fall. Troubleshooting Large, stately plants are easy to grow.