April is usually considered the best time to divide Alstroemeria, but it also depends on what type of plant you have. Spring is the most active growth period for stems, foliage and flowers. How Long Does it Take for a Water Lilly to Reach Maturity? Alstroemerias are hardy perennials, which … To do it properly you will need to take a bit of care, but it will also be very rewarding. These tubers allow the plants to store up nutrients and water for times of need. Mulch well over winter. Keep the strongest of the whitish rhizomes and roots, and throw away the more feeble ones. The first way is planting the seed of the Alstroemeria. (15 cm) of the ground. I boldly decided to cut the plant back and put it in the dark. That was the day I first placed my hands in the earth and began to watch things grow. Producing a dense cloud of intricate blossoms, Peruvian lilies (Alstroemeria spp.) Another way is to dig up the peruvian lily bulbs and divide the rhizomes. The plants benefit from deadheading but you may also want to try pruning Peruvian lilies to create shorter, less leggy stems. Please check your email and confirm subscription. A great addition to borders and containers, alstroemerias produce showy flowers in a wide choice of colours from early summer to the first frosts. New Alstroemeria tubers need soft, nutrient rich soil that has enough space for the root to spread out. This is so that the plant will have a chance to recover well before the growing season starts, and it will be settled into its new home before it starts to produce flowers. grow 36-inch stems to exhibit their flowers in shrub formations. Occasionally check your tubers during the winter to be sure none are shriveling or rotting. Your garden will look stunning, and you will enjoy the feeling of pride that you did it all yourself. This allows the plants to deal with drought and other stressful periods better than most. Save my name, email, and website in this browser for the next time I comment. When I checked on it, I found the bulbs were growing in spite of the darkness. Deadhead to prevent spreading. I hope you will learn more about gardening with me. Alstroemeria plants, aka Peruvian lilies, grow from tuberous rhizomes. If you want to get new plants from the ones you already have, cut the plant so that it’s within 6 inches (15 cm) of the ground. Arrange with a drop of bleach in their flower water, and with new water every 4-5 days, they’ll last 3 weeks in a vase. As each stem grows up into the sunlight, the buried tuber acts as a storage facility for moisture and nutrients -- it can withstand some drought and elemental deficiencies until soil conditions improve. If you find any, just throw them out. Los Angeles Times: Peruvian Lilies Trumpet Their Beauty. You may also like: Choosing the best alstroemerias You can propagate using two methods. It is best to not store these tubers. Alstroemeria is a sturdy, vigorous plant, that will produce beautiful flowers and strong foliage above ground, and it will also reproduce underground. Separate the tubers gently, and plant them as soon as you can into new soil – these tubers don’t store very well, and like to be kept in damp, dark soil as soon as possible. All alstroemeria fanatics stress buying pot-grown as the rhizomes and tubers are highly vulnerable to predatory fungal diseases when out of the ground. For a Summer flowering plant, divide it in the Spring or Autumn, when the soil is dry, while a Spring flowering plant needs dividing in the Summer, after the flowering has completely finished. The tubers should be planted in spring after the last frost has passed, with the pointed side facing upward, at a depth of around 8 inches. Cut the plants 6 to 8 inches above the ground about 10 to 15 days before you divide the rhizomes. My name is Jack Bennett. For dividing and moving alstroemeria it is best to do this early in the spring, ensuring that you take all the roots out when lifting the plant to give it the best possible chance to re-establish itself in its new home. Planting alstroemeria seeds is one way. How Do I Propagate Them? Do this gently, and avoid knocking the roots so that you don’t accidentally damage them. If you haven’t seen any life from your newly planted tubers (here’s my guide on how to divide them), you may be tempted to dig away a little soil to check for life.. Don’t do this. This allows the plants to deal with drought and other stressful periods better than most. Propagating Through Seeds. A very popular vase flower sometimes called the Peruvian Lily but best known as the Alstroemeria will brighten up your garden and home at the same time, aside from this, in certain areas it is also given the name as Lily of the Incas or Parrot Lily.Alstroemeria belongs to the family known as the Alstroemeriaceae. You can either plant them into pots, or you can place them in your garden – either the same spot, or a new place if you want to move them. Tuberous roots also mean that these plants are easy to divide … When new rhizomes and tubers are produced, the rhizomes' plants grow outward, and smaller roots grow to anchor them into the ground. Make sure the ground is prepared with good compost. For instance, these tubers need an approximate two-month chilling period during the winter to trigger flowering. Rhizomes grow in thick, fleshy root systems that grow horizontally just beneath the surface of the soil. In either case, make sure they have enough space for the roots to spread, and enough nutrients in the soil to feed the hungry shoots and produce good flowers. The roots on the Alstroemeria are very fragile so when you lift and divide you need to do it carefully. Although commonly referred to as a bulb, Peruvian lilies grow from an underground stem structure called a tuber. It has been over four years since I found myself. With an electronics degree and more than 10 years of experience, she applies her love of gadgets to the gardening world as she continues her education through college classes and gardening activities. Whatever time of year you decide to do this, do it quickly and carefully, to avoid damage and stress to the roots and rhizomes, and replant the tubers straight away. They should start to produce new growth and flowers within 15 weeks, and then they will be good to go for the next 2-4 years, before they need to be divided again. Wait until after the first frost to dig the bulbs or rhizomes. Some rhizomes can be stored in cool dark places and replanted whenever conditions are right, but Alstroemeria is not one of those. Cut down your plant to 6 in. Watch this video of Sarah in the garden at Perch Hill where she shows you how to pull and harvest alstroemeria. How to divide Alstroemeria tubers The first step is to lift the plant out of the garden. Divide your Peruvian lily just before its main growth periods: early autumn or early spring. 1. Because tubers have numerous buds, you easily divide the root for multiple Peruvian lily plants throughout your garden. This perennial has subtle foliage that ranges from pure green to detailed white borders while growing in preferred U.S. Department of Agriculture plant hardiness zones 7 through 11, depending on the cultivar. Cut the plants six inches aboveground about ten days before you intend to dig them up. The tubers need to be planted at least 8in deep preferably in late summer or early autumn when they die down and go dormant. Tubers are thick sections of stems or roots. Divide your Alstroemeria by the rhizomes for propagation. In large colonies, you may not be … Each bud produces a stem capable of both foliage and flower growth. As you divide the clump with a gardening spade or fork, confirm that each division has at least one bud. Problems They can either be planted straight into the ground or in pots, but make sure you allow enough space for the roots, to ensure that they grow well. Here was a chance to play in the dirt. Alstroemeria plants come in eye-catching colours of purple, red, orange and white! If you divide during this time, you interrupt the chilling process and hinder spring growth. The tubers need to be buried at least 6 to 8 inches deep with 20 inches of space between each plant. Excellent in summer borders, especially with roses, they can also be used in containers. You need to be very gentle doing this, because Alstroemeria have fragile roots and they don’t cope well with being damaged. Alstroemeria. Alstroemeria. To be planted in pots with a organic potting substrate and the rhizomes should be … This is a good video that shows you how to divide Alstroemeria: There are a few times of year which are suitable, but best time to do this is in the early spring. If you keep your Alstroemeria in pots, or in a small part of the garden, you may find that they start to run out of space and the roots get too crowded to allow the plant enough growing room. Alstroemerias have long been a staple of cottage gardens, but modern cultivars have an extended flowering season, with larger blooms and more vivid colours. One can keep the tubers from each division together with 3/4 inch masking tape. Alstroemeria is one of the latter, and this is actually a great way for plants to propagate themselves. Grow alstroemeria from rhizomes or plants as seeds can be difficult to grow from. Copyright © 2021. Fine Gardening: Genus Alstroemeria (Peruvian Lily), Tulips With A Difference: Alstromeria - Peruvian Lily. Bare root tubers have lower success rates, though if you do try to grow Peruvian lilies from these tubers, be sure to soak them for 24 hours before planting. How to grow alstroemerias. Propagate: by dividing rhizomes in the spring, cut plants to 6 inches (15 cm) two weeks before performing division. Refrain from overwatering your Peruvian lily since tubers can rot from soggy conditions. Plant the tubers 6 inches deep, and up to 18 inches apart, in this well draining soil. Hardiness varies so new alstroemeria plants should be established in early summer and planted deeply to a depth of six to eight inches and 24 inches apart. It will need to be planted as soon as possible after being divided, to ensure the best results and the most healthy flowers in the future. The taller growing A. ligtu hybrids which can have a multitude of different colours, but, in original form, are deep yellow, can withstand -15°C of frost. These tubers allow the plants to store up nutrients and water for times of need. In all the years I've had the bulbs, they have never had a rest. Water well until the plant is established. Cut off dead growth or cut back green growth to a height of six inches. Replant your alstroemerias, water in and leave them alone. Two weeks later, dig all the way around the plant. Also known as the Peruvian Lily, Alstroemeria is a surprisingly hardy plant, that really knows how to take over a growing space! Texas A & M University: What Is The Difference Between A Stolon, Bulb, Corm, Rhizome and Tuber? Dividing the tubers is a good way to allow them more space to produce their beautiful flowers – plus it means you can plant more Alstroemeria in different parts of the garden, or give them away to fellow flower fans. Although these tubers do not require dividing on a yearly basis, you may notice the roots appearing above the soil surface as they grow new daughter plants, or bulblets. Part of the series: Gardening & Pruning Tips. In the fall, the tuber begins to grow roots for moisture and nutrient absorption and spring flowering. Divide and replant your alstroemeria bulbs in late summer or autumn. The first step is to lift the plant out of the garden. Nearly all alstroemeria will then withstand -10°C. They should be spread in a dry place for 2-3 weeks to cure. Irrigate your plant periodically to maintain a damp soil for optimum flowering and stem growth. It's not a good idea to attempt to divide Alstroemeria because of the brittleness mentioned above and the difficulty of keeping them healthy during the process. This wide spacing allows each tuber to grow new bulblets without crowding other plants. The dahlia, (or in this case, Alstromeria) root clumps should be lifted and shaken to remove the soil and have the tops cut off at ground level. I'm husband, father and gardening enthusiast. 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