Companions Echinacea, Oats and Monarda. Frost tolerant Good. Larkspur is poisonous to pets and horses, but is seldom nibbled due to its bitter taste. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Larkspur Aphids (General) Slug...
Plant in large groups. They are especially well suited to growing near beech trees. All plant parts are poisonous to pets and people. Ferns and primroses make lovely neighbors, but bluebells are often planted in large swaths for a natural look.
Managing Outbreaks: After dark or just before dawn, place cloth sheets or pizza boxes beneath plants that are being damaged, and knock the beetles to the ground for collection. When disturbed, Asiatic garden beetles instinctively drop downward.
Troubleshooting Lantanas that dry out often can be brought back to life with regular water and fertilizer. A few lantana varieties will persist as perennials where winters are mild, but most are killed by hard freezes.
Spacing Single Plants: 11" (30cm) each way (minimum) Rows: 11" (30cm) with 11" (30cm) row gap (minimum) Sow and Plant Sow seeds in warm, moist seed starting mix, or start with purchased plants.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Tansy Aphids (General) Slug Snail Cut back plants close to the ground in early spring. Locate in a spot where you can mow around the clump to further manage its spread.
Clip off and compost stems holding aphid clusters. Follow up with two applications of insecticidal soap, one week apart. Be sure to apply the soap spray to leaf undersides and crevices.
Large-flowered florists anemones (A. Feeding Topdress with rich compost in spring, when new growth appears. When caught early both pests can be controlled with insecticidal soap. Planting and Harvesting Calendar < Back to All Plants Pests which Affect...
It could be worth investing in a small shredder. Branches that are too thick for the machine can go on your fire if you have one, or be used to make bug habitats. But the answer is right there in your garden! Grass clippings make excellent mulch at a...
Provide a moist, grassy spot far from the garden as alternative habitat. In areas where grasshoppers are a major pest, inoculating the soil with Nosema locustae will help limit populations.
Troubleshooting Cornflowers may be nibbled by rabbits, especially in early spring when other food is scarce. Feeding Fast growth is encouraged by mixing a balanced organic fertilizer into the soil before planting.
For more targeted protection, cabbage collars are used to prevent cabbage root flies from laying their eggs. Dealing with pests in the garden can feel like an ongoing battle. Share it with us by leaving a comment below.
Frost tolerant Excellent. As the flowers fade in the garden, trim them off with scissors or pruning shears. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Tulip Aphids (General) Slug Snail
Fertilize with a liquid fertilizer in midsummer. Showy iris blossoms look especially beautiful when they rise above the foliage of low-growing flowers with fine-textured foliage such as lobelia or sweet alyssum.
Ants tend to be attracted to the honeydew left by aphids, so ant activity can often lead you to aphid colonies. Depending on species and plant, aphids may be beige, green, yellow or almost black.
Troubleshooting Annual rye has few problems with pests or diseases. Some strains are killed by temperatures around -10F (-23 C), while especially hardy varieties can tolerate more extreme cold.
Preventing Problems: In areas where cabbage moth is a chronic pest, try making a small planting of cress each spring, and let the bugs have it. Managing Outbreaks: Diamondback moths have become resistant to most pesticides, including Bt. Hand picking...
Discard corms that show signs of rotting, as well as those from stunted plants, which may be infected with any of several viruses. Trim the cured corms and store in open boxes in a cool place through winter.
Frost tolerant Young seedlings easily tolerate spring frosts, and may survive winters in mild climates. Chamomile tea is made from the blossoms only. The easiest chamomile to grow is a cool-season annual.
Spraying insecticides is of little use because the leaf miners are protected inside the leaves. Leaf miner damage on tomato leaf [Credit: Ana Keliikuli ] Leaf miner damage on tomato leaf [Credit: Ana Keliikuli ] Host Plants: In the garden: Many flowers...
Feeding Not generally needed. One small stem tip with four to eight leaves is plenty for one or two cats to enjoy. Companions Potatoes, Lavender, Rosemary, Sage, Mint, Agastache, Gaillardia and Tulip.
Companions Cosmos, Salvia and Celery. Frost tolerant Good. Troubleshooting Especially in warm, wet weather, tired snapdragons may collapse from various root rot diseases. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Snapdragon...
Troubleshooting Beware of sleepy bees when pruning or otherwise working with mature borage plants. Feeding Not generally needed. A good companion for any crop that needs strong defense from insects.
Allow 4in (10cm) between bulbs. Notes Like crocuses, snowdrops are considered harbingers of spring, often blooming before the last snow. Expect snowdrops to spread when planted in a hospitable spot.
On leaf undersides, a faint webbing is often present, especially near the leaf tips. Shade and moist, cool conditions will seriously set back spider mites. Damage: Spider mites use piercing mouthparts to suck juices from plants.
Spacing Single Plants: 5" (15cm) each way (minimum) Rows: 5" (15cm) with 5" (15cm) row gap (minimum) Sow and Plant When starting johnny jump-up seeds indoors in late winter, barely cover the seeds with moist seed starting mix.
Drench plants with a liquid fertilizer every three weeks to support prolonged blooming. Frost tolerant Good. Troubleshooting Hot summer weather often leads to the demise of spring-planted pansies.
