Troubleshooting Night-flying beetles and other insects often chew holes in amaranth leaves, but the damage is mostly cosmetic. Spacing Single Plants: 1' 5" (45cm) each way (minimum) Rows: 1' 5" (45cm) with 1' 11" (60cm) row gap (minimum) Sow and Plant...
Position Full sun to partial shade. Spacing Single Plants: 11" (30cm) each way (minimum) Rows: 9" (25cm) with 1' 1" (35cm) row gap (minimum) Sow and Plant Only a few geranium varieties are available as seed, which tends to be slow to germinate.
Position Full sun. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Onions (Red) Aphids (General) Onion Root Maggot Slug Snail Thrips Plant Diseases which Affect Onions (Red) Allium White Rot Onion Downy Mildew Onion Fusarium Basal...
When growing lantana in containers, use a coarse potting soil that drains well. Spacing Single Plants: 11" (30cm) each way (minimum) Rows: 9" (25cm) with 1' 1" (35cm) row gap (minimum) Sow and Plant Only a few lantana varieties are available as seed,...
Companions Beet, Lettuce, Potatoes, Carrot, Tomato and Cabbage. Position Full sun to partial afternoon shade. Harvesting Pull individual plants as you need them in the kitchen. Often planted with mound-forming herbs.
Companions Nasturtium, Marigold, Oregano, Corn, Pumpkin, Radish, Squash, Beans and Morning Glory. Often grown in widely spaced enriched hills, or in well-aged compost heaps that include some soil.
Position Full sun. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Onion Aphids (General) Onion Root Maggot Slug Snail Plant Diseases which Affect Onion Allium White Rot Onion Downy Mildew Onion Fusarium Basal Rot Onion Pink Root
Position Full sun to partial afternoon shade. Spacing Single Plants: 7" (20cm) each way (minimum) Rows: 7" (20cm) with 7" (20cm) row gap (minimum) Sow and Plant Sow cosmos in early spring so the plants can become established before hot weather comes.
Fire blight can be controlled by trimming off and destroying affected areas as soon as possible. Mulch after planting, and encircle the trunk with a wire cage or protective pipe to protect the young tree from animal and insect pests.
Fire blight can be controlled by trimming off and destroying affected areas as soon as possible. Mulch after planting, and encircle the trunk with a wire cage or protective pipe to protect the young tree from animal and insect pests.
Position Full sun to partial shade. Spacing Single Plants: 11" (30cm) each way (minimum) Rows: 9" (25cm) with 1' 1" (35cm) row gap (minimum) Sow and Plant Many excellent petunia varieties can be grown from seed, or you can start with plants grown from...
Frost tolerant Sunflower seedlings often escape damage from light frost, but sunflowers are warm-natured plants with no tolerance of freezing temperatures. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Sunflower Aphids (General)...
Zinnias cannot tolerate cold temperatures. Harvesting Gather zinnias for use in arrangements just as the petals open. Troubleshooting Older zinnias often become infected with powdery mildew.
Position Full sun. Spacing Single Plants: 3" (10cm) each way (minimum) Rows: 3" (10cm) with 3" (10cm) row gap (minimum) Sow and Plant Sow in late summer or early fall for an overwintered crop.
Some people are sensitive to nicotiana leaf sap and should dress defensively when working around the plants. The tubular flowers attract hummingbirds, and many varieties are fragrant.
The colors of corn earworms tend to be pale when they feed on corn, and darker when they feed on tomatoes. On tomatoes, corn earworms feed on both the foliage and the fruit, and typically make a round hole, feed, and the exit and move on to damage more...
Troubleshooting Several insects damage iris roots. Plant shallow, so that the rhizomes are barely covered with soil. Several newer varieties will re-bloom in the fall with good care.
Companions Raspberry and Garlic. Spacing Single Plants: 3" (10cm) each way (minimum) Rows: 3" (10cm) with 3" (10cm) row gap (minimum) Sow and Plant Walk over the planted site to firm the seeds into the ground, and then water to promote fast germination.
Tall varieties may need staking to keep them upright. Spacing Single Plants: 7" (20cm) each way (minimum) Rows: 7" (20cm) with 7" (20cm) row gap (minimum) Sow and Plant Sow marigolds in late spring, or set them out as bedding plants.
Companions Beet, Lettuce, Potatoes, Thyme and Chives. Position Full sun to partial afternoon shade. Harvesting Pull individual plants as you need them in the kitchen. Often planted with mound-forming herbs.
Often grown in widely spaced enriched hills, or in well-aged compost heaps that include some soil. After 2 weeks, thin to 2 plants per hill. To prevent insect problems and encourage early growth, cover seedlings with row cover (fleece) tunnels until they...
Tolerates moderate frost, but damaged by hard freezes. Frost tolerant Yes. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Harvesting Wait until a few light frosts have passed to harvest, because...
Companions Dill, Agastache, Thyme, Nasturtium, Chamomile, Tomato, Celery, Mint and Tansy. Position Full sun. Small secondary heads often grow from the base of early cabbage plants after the primary head is cut.
Grow pole varieties in warm climates, but stick with faster-maturing bush varieties where summers are short. Lima beans are easy to grow in warm climates. Supplemental fertilizer seldom required.
Pinch off large colonies. Osteospermum make great flowers for containers. The heavy flowering varieties are propagated from rooted stem cuttings and sold as potted plants in spring.
Troubleshooting Bitter flavor is often due to hot weather. Position Full sun. Frost tolerant Tolerates frost but is injured by hard freezes. Companions Endive, Mizuna, Tatsoi and Mustard.
In recent years, impatiens downy mildew has become a serious problem in many parts of the US following periods of cool rain. You can combine them with coleus with leaf colors that echo those from impatiens blossoms.
