Fill the pot with a good draining potting soil or create your own from 45 per cent fir bark, 35 per cent peat moss and 20 per cent pumice. Tall bearded irises and Siberian irises grace any cottage garden or flower bed with their blooms in late spring. Check the soil regularly with your fingers. The bearded iris grows from fleshy tubers or rhizomes, which keep the plant well supplied with nutrients and moisture. Irises are beautiful, often flamboyant plants that are easy to grow given the right place. Grow both 8-inch tall dwarf varieties and regular types successfully in pots on patios and balconies. The Royal Horticultural Society is the UK’s leading gardening charity. Water Iris Growing Conditions. Discard, give away or plant other rhizomes in new pots. Find out how to grow winter-flowering irises. Can a Plant Grow in a Pot If There's No Hole in the Bottom? Remove any browned leaves during the growing season to discourage leaf spot. Iris. This is important for preventing root rot, which irises can be susceptible to if over-watered. The bearded iris does well in pots, and is available in dwarf and miniature varieties that are especially suited to container growing. Check the soil regularly with your fingers. Beardless iris with smooth petals. When it comes to growing irises in pots, bearded irises (Iris x germanica, USDA zones 5 to 10) are a good choice and take well to containerized growth. She got these irises nearly 75 years ago and has moved them through three states, passed some rhizomes to me and I've moved them twice. Rain lilies are great in pots, and were once commonly grown that way, even in the North. Begin by preparing an appropriate container for your iris; if you’re growing a dwarf iris an eight-inch pot is sufficient. For bare-root irises, plant the rhizome horizontally with the top exposed. RHS Garden Hyde Hall Spring and Orchid Show, Free entry to RHS members at selected Mon – Fri | 9am – 5pm, Join the RHS today and support our charity, From blues, apricots, yellows, whites to purples and even black - there is a border iris to cover everyones taste in colour. The flowers come in a range of bright and exotic colours, and they bloom from mid-May to mid-June. Bulbous iris (grown from bulbs). Irises are simple to grow successfully even for the most novice gardener and come in many varieties and sizes. These plants can grow in zones 3 through 10, which means they can survive temperatures that hit minimums of -40 degrees Fahrenheit (-40 degrees Celsius). Plants like crocus, tulips, daffodils, hyacinths, iris and snowdrop are all very popular and will thrive in your containers with the right care. Some gardeners opt for one or two blooms, while others layer bulbs in pots to enjoy a range of different colours blooming at different times throughout the spring. Her published articles have appeared in various print and online publications. I love bulbs in pots for the spring; there's just nothing better for real impact and it's kind of like gardening in miniature. Step Three – Add Your Iris Bulbs. Make sure the pot has good drainage holes and fill the bottom … Planting a water iris in a wide pond plant basket or plastic pot to confine the growth is advisable, as some types of water iris, like yellow flag irises, can spread like crazy and may become difficult to control. Tuesday, 22 October, 2019 at 4:31 pm Dwarf winter flowering irises are perfect for growing in pots. Fertilise with bone meal early spring and after blooming to encourage healthy growth. Planting iris plant companions that fill out and bloom later in the season can hide spent iris plants. Don’t grow tall or intermediate bearded irises in pots, but Iris of Sissinghurst say you can grow the short ones. Grow both 8-inch tall dwarf varieties and regular types successfully in pots on patios and balconies. I just had a terrible day yesterday, discovering iris borers had infested nearly all of my "inherited" Melanie irises I got from my grandmother. Plant dormant bulbs in the autumn. Iris do very well in containers and now is a great time to plant up a pot or two. Iris can be successfully grown in containers. What problems do irises have? Plant rhizomes singly or in groups of three, 1 to 2 feet apart, depending on the size. You don’t want to overcrowd your iris bulbs so you will want to limit your bulb count as follows: 4 to 5 iris bulbs per 8 inch container; 6 to 7 iris … Planted in clumps in the garden or in containers they require little care and the commonly grown blue and yellow varieties provide a magical lift to the border in spring to summer. The bulbs are easy to cultivate, and growing them in containers means their intricately marked flowers and delicate fragrance can be enjoyed more readily than when they are grown in the garden. Pick a pot with plenty of drainage to avoid rhizome rot. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place. Iris flowers grow from bulbs rather than seeds. Sow iris rhizomes, sometimes referred to as bulbs, in late summer and early fall so they are ready for spring or early summer blooming. Mulching helps the soil retain moisture, and too much moisture will cause the rhizomes to rot. (And please let us know how they do!) Choose an 8-inch pot for dwarf iris or a 12-inch pot for taller varieties such as bearded iris. For the best colors and plant health, you need to plant your iris bulbs about 3 to 4 inches apart in your container. Do not mulch. Too little water is preferable to too much. Choose a sturdy container with a minimum diameter of 12 inches. If you are growing Irises, it is important to know what to do with the plants once the flowers die. Dig holes and plant the irises 4-5" deep and 3" apart. Grow both 8-inch tall dwarf varieties and regular types successfully in pots on patios and balconies. I'm curious about planting in pots as well. Planting Iris reticulata. How to grow tulips in container pots. The Dutch Iris are a true bulb and easy to grow in the UK. Pick your spot. A little overhead shade is alright in … 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 Irises are simple to grow successfully even for the most novice gardener and come in many varieties and sizes. Bearded iris need good air circulation. Growing guide How to grow border irises From blues, apricots, yellows, whites to purples and even black - there is a border iris to cover everyones taste in colour. Leave the very top of the rhizome exposed. times, RHS Registered Charity no. Once in flower, it’s essential to keep them cool or they go over in 4 … Bog or water garden Irises. For soil, we recommend 45% fir bark, 20% pumice, and 35% peat moss. Iris reticulata and Iris histroides are lovely in pots for the house (out of reach of marauding sparrows which tend to pick at their flowers) and will be in flower in February forced on a sunny windowsill. A 6" to 8" pot will work for Dwarf Iris; a 12" pot will work for Tall Bearded Iris. Plant one rhizome per pot. Remove seedpods that form after the blooms have faded. Release date: 16 September 2017. Algerian irises flower in winter, Dutch and Siberian irises flower in summer. Dutch iris plants are tall and slim. They produce clumps of green, leaf-like foliage with a tall center stalk that supports the colorful flower blooms. All forms tolerate acid or alkaline soils except I. kaempferi (a lime-hater) and I. germanica (an acid-hater). Dig a shallow hole 10 inches in diameter and 4 inches deep. Plant them in large containers and add other bulbs, perennials or annuals to fill out the area around their slender ankles. Right Plant - Focus on Quality / Suitability / UK grown Right Place - South facing in a sunny spot (image 3) Good Drainage Essential - Free draining soil and PH neutral 3) Irises are best planted in a … Bring inside when buds appear on the flower stalk in the spring if desired. As long as you have a well-drained soil and a sunny position, you can grow these easy-to-maintain plants in your garden Dutch Iris. Taking Care of Iris reticulata Site your Dutch irises where they will receive full sun. Avoid over watering. Sow in centre of the pot with the root end in the soil. Bearded irises flower at different times between April and June according to their variety. Plant them a minimum of 16 to 18 inches apart (less space for dwarf irises and more for tall bearded iris varieties). In the fall, as it begins to cool, plant the seeds in the garden in an area prepared with amended soil and that is weed free. Irises are a popular perennial plant delivers a beautiful display of flowers. Make sure your pot has good drainage. Planting several pots in the autumn will really give your patio the wow factor in spring. If you have tall bearded iris, you need a pot at least 30cm in size – larger if you want to pack a bit of colour in there. Let the seedpods ripen and turn fully brown and begin to split open before you cut them off and store them in a cool, dry place. The most flamboyant types, Bearded irises - those with a caterpillar of hairs on the lower petals - like a … If you are looking for a low maintenance plant with large and colourful blooms, look no further than the popular iris. When to cut irises back. The rich blue blooms of dwarf irises bring a welcome flash of color to the garden in early spring; they are ideal for naturalizing under trees and shrubs and also look fabulous grown in pots and containers. How to plant bulbs in a pot. Flower beds, border edges, rock gardens, window boxes, pots and containers. As long as you have a well-drained soil and a sunny position, you can grow these easy-to-maintain plants in your garden. 222879/SC038262. Most are surprisingly easy to grow and make excellent cut flowers. Sow iris rhizomes, sometimes referred to as bulbs, in late summer and early fall so they are ready for spring or early summer blooming. Bearded irises like a well-drained, sunny site. Crested iris (tender in the UK). After the blooms fade and iris bulbs consume the plants’ energy in preparation for winter, a patch of iris can look shabby. Irises prefer soils that are neutral to slightly acidic — a pH of about 6.8-7.0 is best. There are three types of irises; ones with beards, ones without beards and ones that grow from bulbs. Choose a good quality potting mix and put your pots in an open sunny position where they will get some winter cold. In addition, irises require soil with a good amount of aeration and drainage. Due to its small size it is ideal for planting at the front of a border, among other low growing plants or with other low-growing early flowering bulbs. Dig up the rhizomes and separate. Divide the rhizome two months after blooming every two to three years to prevent overcrowding. Also, it must be slightly acidic or neutral, with a pH level between 6.8 and 7.0. Everything you need to know about choosing the right border iris for you. Fill to within 1 inch of the container rim. Plant in fall, setting each bulb 4” below the surface of the ground. A cheerful container of spring bulbs is an easy way to create a splash of colour. Jenny Harrington has been a freelance writer since 2006. The best time to plant bearded irises is from June to October, for flowers the following year. If you are looking for a low maintenance plant with large and colourful blooms, look no further than the popular iris. Previously, she owned her own business, selling handmade items online, wholesale and at crafts fairs. Copyright 2020 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. Monty Don shows us how to plant spring bulbs such as irises and crocus in pots. Ph level between 6.8 and 7.0 plant with large and colourful blooms, look no further than the popular.... A shallow hole 10 inches in diameter and 4 inches apart ( less space for dwarf irises and in! Most novice gardener and come in many varieties and regular types successfully in pots that are indoors! Grow well in a loamy soil of 16 to 18 inches apart in garden... Spring bulbs is an easy way to create a splash of colour that are especially suited to growing! 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