All too frequently these South African beauties, also known as lilies of the Nile, stubbornly fail to flower. My problem is with the double diamond variety. I have the same problem at the moment. Zones: 7-10 ‘Storm Cloud’ is the darkest of the robust, semi-evergreen species. ... Wombat ,I have an agapanthus problem of a different kind. Culture Problems. Cultural problems encompass all possible human errors that might cause problems when growing agapanthus. 8. Agapanthus is a nearly indestructible plant and, in fact, most agapanthus varieties self-seed generously and may even become somewhat weedy. When I cull my agapanthus do I keep the biggest ones that presumably have already flowered ... Q. Agapanthus - When to put out or start watering over wintered agapanthus in a greenhouse? Agapanthus look great when planted with drifts of ornamental grasses, sun-loving rudbeckias and goldenrod (Solidago). Agapanthus, commonly called Lily of the Nile, forms a large clump of strap-like leaves. To ensure a good display next year, keep plants moist until autumn after flowers start to fade, which will encourage the development of new flower … Hate the flower boxes and will get rid of them. Agapanthus should be grown in a light, fast-draining soil, enriched with leaf mould and composted manure. Whether grown in a container or in the ground, Agapanthus should be divided every 4 years or so—deciduous types in March, just before they start growing, and evergreen types immediately after flowering. Deep blue agapanthus growing in a gravel bed at Trenarth Gardens, Cornwall . Agapanthus ‘Storm Cloud’. THough not with all the Agapanthus. Agapanthus can be used as a border plant, in a mixed bed of perennials or in a container. Q. Agapanthus have few problems. Persuading agapanthus to flower is a topic which exercises many an amateur gardener. Sometimes it's because the flower bud has been frosted over winter, but the other reason is that agapanthus need a high-potash feed every two to three weeks from mid-March to mid-September. I am just wondering whether the Agapanthus you are talking about is also perhaps a hybrid variety. Agapanthus has strappy, green leaves add texture to beds, borders, and containers, too. I have never encountered this problem myself, but I know why it happens. These include: improper soil mixture, potting, fertilising and placement in the garden. “It’s a vigorous and heavily flowering form, creating a roll of deep-blue thunder on sturdy stems to 3.5 feet,” explains Hinkley. Agapanthus is sensitive to drought conditions after it has finish flowering. Agapanthus. And it can get up to 45 degrees celsius in summer. @apple_pie_order - It doesn't snow in winter, but it can get very cold. Agapanthus are known for their large, blue drumstick-headed flowers in summer. Growing Agapanthus In A Pot - How to grow agapanthus in a pot Q. Agapanthus - (1). Agapanthus is an easy grower but, like all plants, it is susceptible to environmental problems, and a few pests that can turn the foliage yellow. Are there any pest or disease problems? A landscape staple in warm-winter regions, agapanthus is a low-maintenance perennial that produces colorful clusters of blue or white trumpet-shape flowers in summer and fall. Will get rid of the plants, aiming for something a bit more straight and square, some sort of hedge potentially. 'This is a common question. With proper care, agapanthus flowering occurs repeatedly for several weeks throughout the season, then this perennial powerhouse returns to put on another show the next year. Common name: African lily. Tall stalks hold large clusters of purplish-blue or white flowers in summer and early fall. 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