Sheets of cardboard can be used to kill off persistent weeds Perennial weeds with deep or spreading roots, including bindweed, ground elder and nettles can take a year or more to die off.
Notes Tulips will return for several years where winters are cold, but may rot when grown in warm, moist climates. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Tulip Aphids (General) Slug Snail
Allow 4in (10cm) between bulbs of miniature daffodils, and 6in (15cm) between taller varieties. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Sorrel Aphids (General) Slug Snail Each spring, mulch around the plant with rich compost. Harvesting Gather individual leaves as needed in the kitchen.
You also can start seeds in late winter, and set out the seedlings in spring. Feeding Not generally required. Harvesting Gather sprigs as needed in the kitchen. Position Any sunny spot.
Companions Phlox. Young seedlings often escape damage from light frost, but may be injured by sudden freezes. Notes Perennial forms of baby's breath are invasive in many climates, but this is not an issue with annual baby's breath (Gypsophila elegans).
Frequently the plant will break off as you pull it from the ground. Be sure to get covers installed early, before the newly emerged adults fly in search of host plants. Preventing Problems: Floating row covers (fleece) are an effective way to prevent...
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Cuphea Aphids (General) Slug Snail Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.
Some strains are propagated only from rooted cuttings. Feeding Not generally needed beyond annual topdressing with rich compost in spring. Harvesting Gather spikes of lavender flowers as soon as they open, and dry in small bundles before storing in an...
New growth emerges in mid-spring, followed by flowers that attract pollinators in early summer. Taken internally, comfrey contains compounds that may harm the liver. Position 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 lantana varieties are available as seed, but it is better to start with vegetatively propagated plants because they are seed...
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Lavatera Aphids (General) Slug Snail In midsummer, drench plants with a liquid fertilizer to prolong bloom time.
Set plants at least 12 inches (30 cm) apart in all directions. They are easily recognized by their lacy leaves. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Feverfew Aphids (General) Slug Snail
Spacing Single Plants: 3" (10cm) each way (minimum) Rows: 3" (10cm) with 3" (10cm) row gap (minimum) Sow and Plant Set out dormant bulbs the fall. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Monarda Aphids (General) Plant Bug Slug Snail Companions Lovage, Cosmos, Corn, Squash, Beans and Echinacea.
Plants spaced 6 inches (15 cm) apart will grow into a solid mass in 3 years. The leaves become somewhat tough in summer. Position Full sun to partial afternoon shade. Gather them for use as cut flowers to keep garlic chives from reseeding.
Notes After the stems die back in early winter, cut them off at ground level and compost them. Frost tolerant Long-lived hardy perennial. Crop Rotation Group Miscellaneous ● Soil Fertile, well drained, and free of persistent weeds.
Notes Echinacea is grown for its beautiful flowers and for the medicinal properties of teas and tinctures made from roots, leaves and flowers. Plants become dormant in winter and re-emerge in spring.
Companions Onion and Onions. Harvesting Despite their small size, pansies make nice blossoms to cluster together in a vase. Crop Rotation Group Miscellaneous ● Soil Any good garden soil with average or better drainage.
Companions Monarda. Feeding is not generally needed for plants grown in beds in semi-tropical climates. This is a fragrance herb to delight your sense of smell. Incorporate stems in flower arrangements scent the air with lemon.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Horseradish Aphids (General) Slug Snail Notes Persistent and long lived, horseradish can become invasive if you accidentally allow pieces of root to be spread around the garden.
Companions Coreopsis and Echinacea. Container-grown plants can be brought indoors in fall and kept growing in a sunny windowsill or heated greenhouse. Crop Rotation Group Miscellaneous ● Soil Any good garden soil with excellent drainage.
Lovage will reach its mature size in about three years. Troubleshooting Remove flowers should lovage produce too many unwanted seedlings. Crop Rotation Group Umbelliferae (Carrot and root family) ● Soil Rich soil that retains moisture well.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Fennel (Herb) Aphids (General) Carrot Rust Fly Slug Snail Harvesting Gather fennel fronds as you need them in the kitchen.
Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Frost tolerant A cold-hardy perennial, tarragon can survive temperatures to -20F (-30C).
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Scallions Aphids (General) Slug Snail Notes Any immature onion can be eaten as a green onion, or scallion. Often planted with mound-forming herbs.
