The earliest daffodils bloom before most other flowers and shrubs. 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.
Frost tolerant Hardy in cold climates provided plant is well-rooted and mulched. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Oregano Aphids (General) Slug Snail
Follow up with two applications of insecticidal soap, one week apart. Along with the loss of plant juices from direct feeding, aphids can spread diseases. Clip off and compost stems holding aphid clusters.
When allowed to shed mature seeds, chamomile often becomes a welcome volunteer plant. Feeding Not usually required. Harvesting Cut branches when they are holding numerous open flowers, and hang in small bunches to dry.
Most gardeners buy ageratum seedlings, but only dwarf varieties are widely available as bedding plants. Companions Thyme and Osteospermum. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.
In warm climates, gomphrena sometimes reseeds but it is never invasive. Frost tolerant None. Position Full sun. Harvesting Gather blossoms to use as cut flowers just after they open.
In midsummer, cut the plants back by half their size to quickly gather up hornworms eating the leaves. Frost tolerant None. Position Full sun to partial afternoon shade. Nicotiana colors include white, pink, red, purple, lime green and yellow.
Some varieties bloom rose-red or orange. Spacing Single Plants: 11" (30cm) each way (minimum) Rows: 11" (30cm) with 11" (30cm) row gap (minimum) Sow and Plant Set out stocky seedlings in late spring.
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.
Tulips bloom at the same time as dogwoods and other spring-flowering trees in most climates. Fertilize established clumps with a balanced organic fertilizer in the fall. Companions Daylily, Catnip, Bells of Ireland and Salvia.
The leaves appear before the flowering spikes. Cover the bulbs to four times their depth with loose soil. Notes Ornamental alliums often have a light lilac fragrance. In late summer, use bushy annual flowers to hide the fading foliage of spring-blooming...
A mature clump of lavender will grow to 24" (60 cm) wide. Companions Rose, Rosemary, Sage, Mint, Agastache, Apple, Cherry, Peach, Pear and Plum. Lavender demands excellent drainage, and benefits from dry, airy conditions.
Cleome looks best when planted in large clumps or masses. Spacing Single Plants: 7" (20cm) each way (minimum) Rows: 7" (20cm) with 11" (30cm) row gap (minimum) Sow and Plant Sow cleome seeds indoors in moist seed starting mix, or wait until the soil has...
Spacing Single Plants: 11" (30cm) each way (minimum) Rows: 7" (20cm) with 1' 1" (35cm) row gap (minimum) Sow and Plant Set out plump rhizomes with a fan of foliage attached in spring, just as new growth appears, or in early fall.
Spacing Single Plants: 1' 11" (60cm) each way (minimum) Rows: 1' 7" (50cm) with 1' 11" (60cm) row gap (minimum) Sow and Plant Prepare a wide planting hole dug to at least 12in (30cm) deep, and generously enrich the hole with rich compost and a balanced...
Harvesting Snip off spent blossoms to keep plants looking neat, and to prolong flowering. The narrow, airy plants rise up suddenly in late summer, making them great replacements for early season bloomers.
Asiatic garden beetle [Credit: harum.koh ] Asiatic garden beetle [Credit: harum.koh ] Host Plants: In the garden: Orange hawkweed On Crops: Numerous flowers and vegetables Where Found: Eastern North America Description: Brown night-flying beetles chew...
Frost tolerant Hardy only to about 10 degrees F, though winter protection can help. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Rosemary Aphids (General) Slug Snail
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.
Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Frost tolerant None. Position Full sun. Flower colors include shades of red, yellow, orange, and pink.
The foliage can be gathered and composted. Spacing Single Plants: 1' 1" (35cm) each way (minimum) Rows: 11" (30cm) with 1' 11" (60cm) row gap (minimum) Sow and Plant Plant the large seeds in your garden in late spring.
Gazanias also can be direct-sown in late spring, after the soil has warmed. Companions Coreopsis and Echinacea. 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. Companions Colchicums make their green growth in spring, so they work well when grown with daffodils and other spring-flowering bulbs.
Most gardeners save time by buying snapdragons as bedding plants. Upright and uniform, snapdragons make great accent plants when grown in groups. Notes Some varieties can grow tall enough to need staking.
Notes Well-pleased plants can grow quite tall and may need staking. Upright larkspur makes an ideal flower to grow behind shorter mound-forming bloomers. Colors include pink, purple, lavender, white and many bicolors.
Their naturally upright posture gives them a formal demeanor. Cover the bulbs to four times their depth with loose soil. Notes Hyacinths can be interplanted with daffodils and tulips, and they are not difficult to force into bloom in pots.
Frost tolerant There are perennial lavateras that survive winter, but the annual form is killed by hard freezes. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Lavatera Aphids (General) Slug Snail
