Feeding Mix a light application of a balanced organic fertilizer into the soil prior to planting. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Cleome Aphids (General) Slug Snail
Harvesting Even though the individual blossoms last only one day, daylilies make interesting cut flowers. Slugs can be a problem in spring in mulched plantings. Daylilies are often planted among clumps of daffodils, tulips or other spring-flowering bulbs...
A mixture of colors is fun to grow and lets you experiment with this comely flower. Seedlings grow slowly at first, so be patient. Most varieties produce intricately veined, bicolored flowers.
Harvesting As flowers fade, snip them off the flowering spikes with scissors to keep the plants looking neat. Notes Nicotiana can be used as a trap crop from tomato hornworms. Our Garden Planner can produce a personalized calendar of when to sow, plant...
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Chives (Garlic) Aphids (General) Slug Snail Plant Diseases which Affect Chives (Garlic) Allium White Rot Onion Downy Mildew
Feeding Mix a standard application of a balanced organic fertilizer into the soil prior to planting. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Salvia Aphids (General) Slug Snail
Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Troubleshooting White ageratum blossoms go brown as they age, which is not as noticeable in varieties that bloom blue.
Feeding Topdress with rich compost in spring, when new growth appears. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Daffodil Aphids (General) Slug Snail
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Scabiosa (Sweet) Aphids (General) Slug Snail Harvesting Harvest stems to use as cut flowers as soon as the blossoms open.
Gather them for use as cut flowers to keep valerian from reseeding and becoming invasive. Troubleshooting Control valerian's spread by cutting back flowering stems before they can shed seeds in your garden.
They naturalize beautifully in hospitable climates. When caught early both pests can be controlled with insecticidal soap. Feeding Topdress with rich compost in spring, when new growth appears.
Allow 12in (30cm) between Asiatic lilies but space tall Oriental lilies 8in (20cm) apart. Asiatic hybrids tolerate temperatures to -35F (-37C), but taller Oriental lilies and hybrids are hardy to -25F (-32C).
Position A sunny spot, for example at the end of a vegetable row or bed. Chamomile tea is made from the blossoms only. Leafy greens grown in spring, as well as spring-blooming herbs and flowers.
Moderately invasive. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Oregano often spreads in hospitable spots. If desired, small plants can be potted up in fall and grown through winter indoors.
Use row covers to exclude them from garden crops. Tarnished plant bug damage is similar, but the spots are more irregular in shape and pattern. These small, slender insects are less than one-half inch (2cm) long, with markings that vary with species.
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. Notes Gomphrena stems make long-lasting cut flowers.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Agastache Aphids (General) Slug Snail Harvesting As flower spikes fade, trim them off with scissors or pruning shears.
Position Full sun to partial afternoon shade, with excellent air circulation. Harvesting Gather spikes of lavender flowers as soon as they open, and dry in small bundles before storing in an airtight container.
Do not plant vinca in the same soil repeatedly, because this can lead to problems with root rot diseases. Spacing Single Plants: 11" (30cm) each way (minimum) Rows: 11" (30cm) with 11" (30cm) row gap (minimum) Sow and Plant Sow seeds indoors in late spring...
Snip off old flowers once a week to promote blooming time. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Harvesting Gather blossoms to use as cut flowers just as they open.
Planting and Harvesting Calendar < Back to All Plants Pests which Affect Coreopsis Aphids (General) Slug Snail Tall plants benefit from staking. Spacing Single Plants: 11" (30cm) each way (minimum) Rows: 11" (30cm) with 11" (30cm) row gap (minimum) Sow...
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 Excellent.
Harvesting Cut irises for arrangements as soon as the buds show good color; they will continue to open indoors. Siberian iris have few pest problems, and are seldom eaten by deer. Showy iris blossoms look especially beautiful when they rise above the...
Established clumps can be dug and divided in spring or in fall. Notes Established clumps produce beautiful pink flowers in late spring. Frost tolerant Very cold hardy. Becomes dormant in winter.
Harvesting Harvest young onions as scallions. Notes Onions respond to changing day length. Try growing different varieties from seed to explore differences in bulb color, size and shape.
Lavender, purple, pink and white are the most common flower colors. Avoid very tall varieties in windy areas. The rounded flowers of many ornamental alliums work like colorful exclamation points in mixed flowerbeds.
Notes Some varieties can grow tall enough to need staking. Troubleshooting Especially in warm, wet weather, tired snapdragons may collapse from various root rot diseases. Gather stems when two-thirds of the flowers on the spike have opened.
