Bonsai Guide

Preventing Problems: Floating row covers (fleece) are an effective way to prevent egg laying by adults. They lay eggs at the base of onion plants, and the larvae tunnel into onion roots.

They are also much loved by cats and dogs. Plants die back to the ground in winter and re-emerge in spring. Valerian can stand 5 feet (1.5 meters) tall when it is in full bloom. Troubleshooting Control valerian's spread by cutting back flowering stems...

Feeding Not generally required. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. You also can start seeds in late winter, and set out the seedlings in spring.

Harvesting Cut tulips to use as cut flowers just as the buds open. Feeding Topdress with rich compost in spring, when new growth appears. Crop Rotation Group Miscellaneous ● Soil Average garden soil with excellent drainage.

Tall varieties make great cut flowers. Ageratum cannot tolerate cold temperatures. Dwarf types make good edging plants for beds and containers. Troubleshooting White ageratum blossoms go brown as they age, which is not as noticeable in varieties that...

Notes Bushy determinate plants can be tied to stakes, but long-bearing indeterminate varieties need a sturdy cage or trellis. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.

Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Germination often takes up to 2 weeks. Feeding Not required. Can be left in the soil through winter in many areas.

Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Hazelnuts grow best in climate such as the Pacific Northwest, where winters are chilly yet mild.

Seedlings are less likely to bolt (produce flowers) compared to bulb onions grown from sets. Frost tolerant Yes. Harvesting Harvest young onions as scallions. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for...

Do not weed after the fruits have set. Frost tolerant No. Feeding After plants set fruit, feed twice, at two week intervals, with a water soluble plant food. To prevent insect problems and encourage early growth, cover seedlings with row cover (fleece)...

Newly emerged flies will be attracted to the traps rather than each other, but it is important that the traps be in place before the flies mate and lay eggs. Preventing Problems: In areas where this pest is common, hang pheromone-baited sticky traps in...

Large varieties may need wider spacing, or you can grow them in 14-inch (35cm) diameter containers. As long as they have ample water, lantanas tolerate extreme heat. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Lantana Aphids...

The easiest chamomile to grow is a cool-season annual. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Spacing Single Plants: 11" (30cm) each way (minimum) Rows: 9" (25cm) with 1' 3" (40cm) row gap...

Feeding In spring and summer, feed with a balanced organic fertilizer. Spacing Single Plants: 1' 11" (60cm) each way (minimum) Rows: 1' 11" (60cm) with 1' 11" (60cm) row gap (minimum) Sow and Plant Set out new plants in late winter or early spring.

White currants freeze very well. Frost tolerant Many cultivars are hardy to -40F (-40C). In winter, prune out old branches close to the ground. Spacing Single Plants: 2' 11" (90cm) each way (minimum) Rows: 2' 11" (90cm) with 2' 11" (90cm) row gap (minimum)...

When they stop feeding in late summer, the larvae (grubs) become a problem in lawns, where they damage grass by eating roots. They fly away or drop to the ground when disturbed. Damage: Japanese beetles chew holes in leaves, often devouring much of the...

Feeding Not generally needed beyond annual topdressing with rich compost in spring. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.

Mulch after planting, and encircle the trunk with a wire cage or protective pipe to protect the young tree from animal and insect pests. Peach borers can be identified by holes in the bark with a sawdustlike frass.

A wide hole is better than a very deep one. Young cherry trees are at high risk for damage from insects that bore into the main trunk. In humid climates, cherries often develop problems with fungal diseases such as brown rot.

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

Troubleshooting Control oregano's spread by cutting back flowering stems when their colors fade. If desired, small plants can be potted up in fall and grown through winter indoors.

Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Mulch to keep soil lightly moist at all times. Feed every two weeks with a liquid feed after the plants begin to blossom and set fruit.

Feeding Mulch with well-rotted organic matter in spring. Mulch after planting, and encircle the trunk with a wire cage or protective pipe to protect the young tree from animal and insect pests.

Beneficial insects including many types of wasps and hornets harvest large numbers of immature larvae to feed to their young. Managing Outbreaks: Diamondback moths have become resistant to most pesticides, including Bt. Hand picking is a better option,...

Be sure to apply the soap spray to leaf undersides and crevices. Follow up with two applications of insecticidal soap, one week apart. Preventing Problems: Check plants often for early outbreaks.

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

Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Thin to proper spacing when the plants are about one month old. Feeding Feed monthly with a liquid organic fertilizer.