Flowers appear on branched stalks. Generally trouble free. Grasse en vlasse. Typical sizes 140mm, 200mm alpinenurseries.com.au ALPINE NURSERIES SALES PTY LTD ABN 24 099 016 789 1099 Old Northern Road, Dural NSW 2158. When do they bloom? You might wonder if it’s also necessary to cut back grassy irises such as bicolor (Dietes bicolor) or African (D. vegeta) — plants that also sport the long, slender leaves common to grasses.We’ll look at the taxonomy of these plants, and then get down to brass tacks about whether you … Helét can’t resist using ‘Deloitte and Touche’ roses because they are always in flower, easy to grow, and seldom bothered by pests and diseases. Scientific Name: Dietes grandiflora Height: 1m Width: 50cm Light Conditions: Full Sun Soil: Suitable for most soil types Watering Requirements: Water regularly until established. Drought tolerance: High. Show mail order suppliers only (7) Find a plant. Growth rate: Moderate. You are here: Home; 2009; November; November 2009 Monthly Archives. Rose. (Brickell 1996). This hardy indigenous clump forming plant is spectacular in mass plantings but is also useful as a filler in mixed plantings. Plant Index. ID of pests and diseases in your ornamental garden. The large white blooms are marked with yellow and violet. Although members of Dietes are not often subject to pests or diseases, the flowers may be eaten by beetles. Excellent for ordinary use in appropriate conditions. It is drought resistant, not very susceptible to pests and diseases, and requires more or less nothing in the way of supplementary fertilizers in reasonable topsoil. the RHS today and get 12 months for the price of 9, Other common names Full Sun – Prefers 6 or more hours of sun per day. The pretty flowers appear from October to January. Indigenous. It can form large clumps if left undisturbed for years. One precautionary step, that can be taken in order stop diseases from spreading to other healthy plants is sterilizing of pruning shears with some water. It produces fan-shaped clumps of iris-like, narrow, sword-shaped, basal, evergreen leaves. Provides minimal food for pest animals. We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records. Pests and Diseases that Affect Fortnight Lilies For the most part, fortnight lilies are fairly resistant to most pests and diseases and can generally fight away any that do come along. Dietes plant blossoms are showy and last just a day, sometimes two. It grows in most soil types and is, generally speaking, free of pests and diseases. The flowers are somewhat iris-like, to 10cm across, with broad white ""falls"" with a stripe of rich yellow near the base, and erect violet-blue ""standards"". Dietes grandiflora 'Reen Lelie', Family “Usually in montane and coastal evergreen forests and forest margins” (Flora Zambesiaca 1993). These plants will have a lot more details displayed including an image. Clivias. In general they are sensitive to frost, except for certain forms of D. iridioides and D. grandifl­ora that can take light frost for short periods. The aim of the database is to provide all pest-specific information that has been produced or collected by EPPO. Dietes cultivation is growing more popular because of the plant’s attractive, stiff, spiky foliage and multiple, showy blooms. Since glossy abelia resists most diseases and parasites very well, normally you won’t need to treat it. All there is to know about glossy abelia . In frost-free areas, plants bloom from spring to fall and intermittently throughout winter. Blooms may last several days, and may be produced in flushes, every few weeks, throughout summer, Plant range Typical sizes 140mm, 200mm alpinenurseries.com.au ALPINE NURSERIES SALES PTY LTD ABN 24 099 016 789 1099 Old Northern Road, Dural NSW 2158. Join the RHS today and support our charitable work, Keep track of your plants with reminders & care tips – all to help you grow successfully, For the latest on RHS Shows in 2020 and 2021, read more, RHS members get free access to RHS Gardens, Free entry to RHS members at selected times », Reduced prices on RHS Garden courses and workshops, Our Garden Centres and online shops are packed with unique and thoughtful gifts and decorations to make your Christmas sparkle, General enquiries And blue markings watering in summer are showy and last just a day, sometimes two green and. Strong ornamental plant ’ s attractive, stiff, spiky foliage and multiple, showy blooms ): evergreen:. 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