Troubleshooting White ageratum blossoms go brown as they age, which is not as noticeable in varieties that bloom blue. Ageratum cannot tolerate cold temperatures. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest...
Seedlings are less likely to bolt (produce flowers) compared to bulb onions grown from sets. Grow short-day varieties in southern latitudes. Position Full sun. When bulbs form and the tops of the plants fall over, pull them and cure in a warm place for...
Troubleshooting Lantanas that dry out often can be brought back to life with regular water and fertilizer. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Lantana Aphids (General) Slug Snail
Use lightweight cloth or netting to protect ripening berries from birds. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Strawberry Aphids (General) Slug Snail Spider Mite
Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Crop Rotation Group Miscellaneous ● Soil Any sunny site with good drainage.
When grown primarily for cutting purposes, gladioli are often grown in garden beds so the corms can easily be lifted and stored through the winter. A few small species of gladiolus can survive winter temperatures to 15F (-9C), but large-flowered gladioli...
Seedlings are less likely to bolt (produce flowers) compared to bulb onions grown from sets. Grow short-day varieties in southern latitudes. Position Full sun. When bulbs form and the tops of the plants fall over, pull them and cure in a warm place for...
Crop Rotation Group Umbelliferae (Carrot and root family) ● Soil Deeply worked soil that has not had compost or manure added withing 6 months. Position Sun or partial shade. Notes Thin seedlings to proper spacing when they are 4 inches tall.
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
Notes Used in place of onions for concentrated flavor. Crop Rotation Group Allium (Onion family) ● Soil Fertile, well drained soil with compost dug in. Harvesting Harvest in early summer when the tops begin to fail, and the bulbs have divided into several...
Notes Feathery chamomile foliage contrasts well with the textures of other herbs and flowers. Crop Rotation Group Miscellaneous ● Soil Fertile, well drained soil. Harvesting Cut branches when they are holding numerous open flowers, and hang in small...
Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Crop Rotation Group Miscellaneous ● Soil Moist, boggy, acid soil. Notes Water only with rainwater.
Persistent wet conditions can cause strawflowers to rot. Seedlings are sometimes available as bedding plants. Frost tolerant None. Harvesting Cut blossoms as soon as they open and hang to dry in small bunches.
Troubleshooting A root rot that causes mature vinca plants to collapse and die suddenly has become common in warm climates in the US. Seedlings are widely available as bedding plants in late spring.
Crop Rotation Group Allium (Onion family) ● Soil Any average, well drained soil. When plants die back, cured roots often yield a small shallot. Notes Most perennial onions grow vigorously in early spring and die back in midsummer.
Mulch thinly with grass clippings every week or two throughout the summer. They're often happy to let you have waste products such as sawdust for free to avoid having to pay to dispose of them.
Cleome looks best when planted in large clumps or masses. Frost tolerant None. Tall varieties make great flowers for the back of the border. Companions Tomato, Dahlia and Cosmos. Crop Rotation Group Miscellaneous ● Soil Fertile, well-drained soil.
Troubleshooting Poached egg plant has few problems with pests or diseases, but may fail when subjected to extreme humid heat. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Poached Egg Plant Aphids (General) Slug Snail
Troubleshooting Excessive rain can cause portulaca to develop root rot problems. Portulaca is a warm-season flower. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.
Where Japanese beetles are a common pest, cover plants with row cover until they come into bloom. Notes Lavatera is an annual hibiscus that attracts hummingbirds, and the newly opened blossoms make good cut flowers.
Also grown with beds of other tea plants where insects are not wanted. Frost tolerant Six-month-old, well rooted plants tolerate winter temperatures to -20F (-29C). Feverfew repels insects of all nature, so it is a good plant to grow near entryways.
Companions Corn, Dahlia, Rose, Grape Vine and Beet. Frost tolerant None. Upright geraniums look best in groups, or as the central focal point in mixed containers. Fertilize established geraniums monthly from midsummer to fall.
Troubleshooting High heat can cause lobelia to suffer, but the plants stay in bloom for many weeks in climates with cool nights. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Lobelia Aphids (General) Slug Snail
Crop Rotation Group Legumes (Pea and Bean family) ● Soil Any average, well drained soil. It also can be grown as a medicinal herb. Thin to 6 inches (15 cm) apart in all directions.
Crop Rotation Group Miscellaneous ● Soil Fertile, well drained, and free of persistent weeds. Harvesting Begin gathering spears the second year after planting, cutting all spears that appear for a month in early spring.
Carrot rust fly larvae leave rusty brown castings on the roots Carrot rust fly larvae leave rusty brown castings on the roots Carrot rust fly damage on carrot Carrot rust fly damage on carrot Carrot rust fly larva tunnel into roots Carrot rust fly larva...
Spinach grows tall and goes to seed when days become long and hot. Crop Rotation Group Chenopodiaceae (Beet family) ● Soil Rich soil that has been generously amended with fully composted manure or another high-nitrogen compost.
