Fertilize established clumps with a balanced organic fertilizer in the fall. Yellow and white are the most common flower colors. Crop Rotation Group Miscellaneous ● Soil Average garden soil with excellent drainage.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Valerian Aphids (General) Slug Snail Often planted with low, mound-forming herbs and flowers. Harvesting Dig roots in fall or early spring and dry outdoors, because they release...
Hardy spring-blooming anemones are ideal companions for tulips. Set out dormant roots in fall where they are hardy, or in early spring, planting them 3 inches (8 cm) deep. Feeding Topdress with rich compost in spring, when new growth appears.
When the stems are dry, pop off the blossoms and store them in an airtight container. Feeding Not usually required. Spacing Single Plants: 11" (30cm) each way (minimum) Rows: 9" (25cm) with 1' 3" (40cm) row gap (minimum) Sow and Plant Seeds can be started...
Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Troubleshooting Control oregano's spread by cutting back flowering stems when their colors fade.
Late in the season, tired plants often develop leaf spots of powdery mildew. If you like dried flowers, harvest blossoms when they have good color, strip off the leaves, and hang them to dry in small bunches in a dry, well-ventilated place.
Heavy winter mulching can cause the dormant plants to rot. The tall, arching flower spikes of agastache contrast beautifully with shorter, mound-forming flowers like alyssum or petunias.
You can also dry lavender branches for use in recipes, sachets or potpourri. Companions Rose, Rosemary, Sage, Mint, Agastache, Apple, Cherry, Peach, Pear and Plum. Some strains are propagated only from rooted cuttings.
In midsummer, drench plants with a liquid plant food to stimulate new growth. Some new varieties do not have this problem. Crop Rotation Group Miscellaneous ● Soil Fertile, well-drained soil.
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.
Plants will reseed themselves with a little encouragement. Annual coreopsis needs less fertilizer and water compared to other flowers. Notes The bicolored blooms of coreopsis attract butterflies and beneficial insects.
Most tulips are hardy to -35F (-37C); cold tolerance varies with species. Colors choices are endless, from white to almost black. Harvesting Cut tulips to use as cut flowers just as the buds open.
Allow 12in (30cm) between large-flowered bearded irises. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Showy iris blossoms look especially beautiful when they rise above the foliage of low-growing...
Allow 24in (60cm) between plants, which will grow into large clumps in a few short seasons. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.
Spacing Single Plants: 7" (20cm) each way (minimum) Rows: 5" (15cm) with 9" (25cm) row gap (minimum) Sow and Plant Start with a purchased clump, or start seeds indoors and set out while the soil is still cool.
Spacing Single Plants: 11" (30cm) each way (minimum) Rows: 11" (30cm) with 11" (30cm) row gap (minimum) Sow and Plant Set out dormant bulbs in the fall, or transplant container-grown plants in early spring.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Snapdragon Aphids (General) Slug Snail Upright and uniform, snapdragons make great accent plants when grown in groups.
Spacing Single Plants: 1' 1" (35cm) each way (minimum) Rows: 11" (30cm) with 1' 3" (40cm) row gap (minimum) Sow and Plant Start seeds indoors in late winter and set out seedlings, or start with purchased plants.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Larkspur Aphids (General) Slug Snail Upright larkspur makes an ideal flower to grow behind shorter mound-forming bloomers.
Tips: Orange hawkweed, an invasive weed from Europe, is a preferred host plant for this pest. Asiatic garden beetle [Credit: harum.koh ] Asiatic garden beetle [Credit: harum.koh ] Host Plants: In the garden: Orange hawkweed On Crops: Numerous flowers...
Troubleshooting Beware of sleepy bees when pruning or otherwise working with mature borage plants. A good companion for any crop that needs strong defense from insects. Large plants produce edible, starry blue flowers that attract bees in droves.
Troubleshooting Celosias have few pest problems as long as they are grown in warm weather. Harvesting Snip off spent blossoms to keep plants looking neat, and to prolong flowering.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Gazania Aphids (General) Slug Snail Companions Coreopsis and Echinacea. Notes Originally from South Africa, gazania survives high heat better than many other flowers.
Spacing Single Plants: 11" (30cm) each way (minimum) Rows: 11" (30cm) with 11" (30cm) row gap (minimum) Sow and Plant Sow gaillardia seeds atop moist seed starting mix and gently press them into the surface.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Colchicum Aphids (General) Slug Snail Companions Colchicums make their green growth in spring, so they work well when grown with daffodils and other spring-flowering bulbs.
Pinch off large colonies. Troubleshooting As plants age, they sometimes develop problems with powdery mildew. The varieties sold as bedding plants can tolerate light frosts, but are meant to be grown as summer annuals.
Troubleshooting Poached egg plant has few problems with pests or diseases, but may fail when subjected to extreme humid heat. This low-growing plant spreads into a mat of green foliage covered with flowers.
