August 10, 2011

Dianthus Production Tips

Modern breeding has made dianthus hybrids easier to produce, offering multiple production methods to suit any business with a wide array of flower colors and forms. Cultivars from Whetman Pinks Ltd., whose breeding program focuses on fragrance and performance, have captured a lot of attention in the market. The finished pot size options range from a quart to 2-gallon. General Culture Transplant liners into a well-draining perennial or nursery mix. For smaller sizes like 128s, a pinch is necessary about three weeks after transplant to maximize branching. While bulking and finishing, apply a well-balanced fertilizer targeting 150 ppm nitrogen constant liquid feed. Maintain pH of 6.0 to 6.5, and EC should not exceed 3 mS/cm. Bulk at 60° to 65°F night and day temperatures. Plant growth regulators are not required. Foliage does not need to completely cover the top of the pot prior to vernalization. Common pests and diseases include […]

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March 20, 2011

Salvia Heatwave Series From Pacific Plug And Liner

The Heatwave salvia series can take the heat and the drought and will keep on blooming. Developed in Australia, Heatwave was bred to withstand extreme conditions and is ideal for perennial borders or as a foundation plant in a low maintenance landscape. Heatwave is most notable for its tight, upright habit that will not spread as the plant matures. Continual blooms from spring through fall will draw hummingbirds and butterflies to the garden, and will also be attractive to gardeners looking for continual, easy color in their landscape. Salvia Heatwave is hardy in Zones 6 to 9, and will reach a height of 30 inches with a width of 36 inches. It is available in five colors: ‘Sparkle’ (pink), ‘Blaze’ (red), ‘Blast’ (salmon), ‘Glitter’ (purple) and ‘Glimmer’ (white). This variety prefers well-drained soil and moderate growing temperatures of 55°F to 75°F. Pinching is needed to shape the plant but no […]

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March 20, 2011

‘Can Can Cocktail Party’ Dianthus caryophyllus from Sakata

‘Can Can Cocktail Party’ Dianthus caryophyllus is a top-quality carnation for landscape border, patio container or bedding area. Large, brightly colored blooms offer a delicate scent from mid-spring well into summer. This mix includes an array of popular hues that include burgundy, purple, salmon, scarlet and rose pink. Expect plants to reach a height of 18 inches with a spread of 8 inches. Excellent basal branching on strong cut flower quality stems is consistent with ‘Can Can Cocktail Party’ sister — the AAS 2003 and FleuroSelect Gold Medal Winner ‘Can Can Scarlet.’ This long-awaited addition from Sakata Ornamentals is a cool crop, requiring little or no heat in the greenhouse. For more, visit the Sakata website.

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July 21, 2010

Green Leaf’s New Perennial & Herb Varieties

If you’re interested in what’s new in quality perennials and herbs, the Green Leaf Plants 2010-2011 perennial catalog features more than 80 new varieties. New plants include many of the latest varieties from Blooms of Bressingham, as well as varieties from other breeders. New varieties to look for in the catalog include: ‘Pineapple Mango’ and ‘Peachy Seduction’ achilleas from Blooms; the Anemone fall-flowering hybrid ‘Whirlwind’; ‘Ascot Rainbow’ euphorbia, whose attractive variegated foliage develops stunning deep red tips in cooler weather; and the Hypericum Hypearls series–unique perennial shrubs in cream, red, salmon and pink. Other new favorites are the Early Bird series of double-flowered dianthus from Whetman Pinks. These dianthus are compact, floriferous and fragrant with coral, lavender, white, red and pink varieties. Green Leaf also carries a large selection of quality herb starters, for both culinary and ornamental use. See GLPlants.com for full descriptions on all new varieties.

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June 16, 2008

The Classic City Awards for Perennials — The Best of 2006

Our yearly accounting of the great stuff, not merely the very good, takes us to perennials this month. Plants that held the attention of passers-by and caught our eyes throughout the season, or when they were truly spectacular, made this list. We are in Zone 7 (7b) with lots of sun, heat and humidity. Go buy, grow and sell these fine plants. All are available through your plant distributor or propagator. Aquilegia ‘Corbett’ Our little doll of the columbines! Another compact version of our native Canadian columbine, ‘Corbett’ can and will stand proudly next to our other proven variety, ‘Little Lanterns,’ but with pale yellow flowers instead of the typical red/yellow bicolor. It is named for the town in Maryland where it was originally found. Aster oblongifolius ‘October Skies’ A healthy, green circular mound gives way to a purple beauty in the early fall. Dubbed ‘October Skies’ and introduced by North […]

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