Grow short-day varieties in southern latitudes. Troubleshooting Weed early and often to keep onions growing strong. Spacing Single Plants: 5" (15cm) each way (minimum) Rows: 3" (10cm) with 7" (20cm) row gap (minimum) Sow and Plant If you don't start your...
Planting daffodils behind daylilies or other summer-blooming perennials hides the fading daffodil foliage from view. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Daffodil Aphids (General) Slug Snail
Spacing Single Plants: 5" (15cm) each way (minimum) Rows: 3" (10cm) with 5" (15cm) row gap (minimum) Sow and Plant Set out dormant bulbs from late summer to early winter. Our Garden Planner can produce a personalized calendar of when to sow, plant and...
Feeding Fertilize with a balanced organic fertilizer in spring, when new growth appears. Colors include pink, white and lavender. Fall-blooming colchicums (C. Flowers emerge in fall on bare stems.
Over time they will fill in with seedlings and offsets. Established clumps can be dug and moved in the fall, but are best left undisturbed. Snowdrops combine well with crocuses, scillas, and early-blooming daffodils.
Spacing can be as close as 2in (5cm) between scilla bulbs, which look best when planted in groups of seven or more. Established clumps can be dug and moved in the fall, but are best left undisturbed.
Smaller Asiatic lilies grow to only 36in (90cm) tall and work well as feature plants that bloom in early summer. Plant lily bulbs deep, so that the tops of the bulbs are covered with 5in (12cm) of soil.
Scatter them in small groups along a woodland edge. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Crocus Aphids (General) Slug Snail Frost tolerant Excellent.
Feeding Topdress established daylilies with rich compost in early spring, after new growth appears. Slugs can be a problem in spring in mulched plantings. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Daylily Aphids (General)...
Feeding Topdress with rich compost in spring, when new growth appears. Avoid very tall varieties in windy areas. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Allium (Ornamental) Aphids (General) Slug Snail Plant Diseases which...
Feeding Topdress with rich compost in spring, when new growth appears. When hyacinths are handled as perennials in cold climates, flower size tends to decrease over time. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Hyacinth...
Do not feed plants that are nearing maturity if you want very sweet onions. Long-day varieties work best in northern areas. Frost tolerant Yes. Spacing Single Plants: 5" (15cm) each way (minimum) Rows: 5" (15cm) with 9" (25cm) row gap (minimum) Sow and...
Thin seedlings to 12 inches apart when they are 3 weeks old. Chop the pulled seedlings into salads. In clay soil, use raised beds. In some climates, fennel grows better in fall than in spring.
They will root during the winter, and multiply into a cluster in late spring or early summer. Alternatively, plant first thing in spring, or grow from seed and set out seedlings in early spring.
Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Allow flowers to ripen until they shed mature seed if you want the plants to increase in number.
Feeding Mix a light application of a balanced organic fertilizer into the soil prior to planting. Flower colors include shades of red, yellow, orange, and pink. Seed germination is fast and sure, but most gardeners buy celosia seedlings.
Frost tolerant Yes. Exclude the adults with row covers. Spacing Single Plants: 1' 7" (50cm) each way (minimum) Rows: 1' 5" (45cm) with 1' 9" (55cm) row gap (minimum) Sow and Plant Sow indoors in early spring, or set out purchased seedlings.
In midsummer, drench plants with a liquid plant food to stimulate new growth. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.
Firm your cabbages into the ground well, then water generously to settle the soil around the roots. Plant your seedlings into prepared ground. Netting protects cabbages from pests such as cabbage white butterflies Caring for Cabbage Cabbages are prone...
Spacing Single Plants: 2' 11" (90cm) each way (minimum) Rows: 2' 11" (90cm) with 2' 11" (90cm) row gap (minimum) Sow and Plant Sow seeds 1 inch deep in rows, or in hills spaced 6 feet apart.
They do not have the velvety skin texture of cabbage worms, which are a different pest. Avoid planting succession brassica crops when a diamondback moth infestation has occurred. Preventing Problems: In areas where cabbage moth is a chronic pest, try...
Spacing Single Plants: 1' 11" (60cm) each way (minimum) Rows: 1' 5" (45cm) with 2' 11" (90cm) row gap (minimum) Sow and Plant Plant in spring, just after the last frost, by sowing seeds barely covered with soil in uniform rows.
Crop Rotation Group Miscellaneous ● Soil Most soil types, but best in moisture retentive soil with rich compost dug in. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Lettuce (Crisphead) Aphids (General) Cutworm Leaf Miner...
Frost tolerant Should tolerate moderate frost. Exclude the adults with row covers. 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. Notes Some types grow to be large, long-vined plants, while others grow into compact bushes.
Feeding Not required. Frost tolerant Yes, tolerates mild frosts. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Cress Aphids (General) Slug Snail Harvesting Harvest as required while seedlings are still small.
