The Garden wouldn't be the Garden without our Members, Donors and Volunteers. In all climates, foliage goes dormant in summer. This arum "came with the house" and I loved it, at first, for those totally cool-looking flowering stalks of bright green "hominy." Éditions des conservatoire et jardin botaniques, Genève. This summer (2012) we have our first Italian Arum stalk (just one) in 15 years. albispathum have 2n = 56). Learn which common members of the arum plant family might thrive in your region and hardiness zone. I have decided to dig them as soon as I see them now. It resembles our native Jack-in-the-Pulpit (Arisaema tryphyllum). Cultivation. When I first saw Italian arum growing beside a Fayetteville home one winter day, I thought I had discovered a real rarity -- a houseplant that would survive the cold. It is also naturalized in Great Britain, the Netherlands, Crimea, Caucasus, Canary Islands, Madeira, Azores, Argentina and in scattered locations in the United States. It blooms in spring with white flowers that turn to showy red fruit. However, in cold winter climates such as the St. Louis area, the leaves die in winter with new leaves emerging in early spring. Colors range from reds, to pinks, whites and greens. Plant of the week – 7th September – Cuckoo Pints: Arum maculatum and A. italicum These are monocots, belonging to the family Araceae. I keep an organic garden, so all I do is dig it up and discard. It has now naturalized in a number of counties in Western Washington and appears to be spreading more rapidly as additional infestations are being discovered. No arum plant has been allowed to go to seed here for over three years. Leaves are larger in partial shade, flowering is better in sun. It blooms in spring with white flowers that turn to showy red fruit. Italian Arum is a tuberous perennial grown for its spectacular foliage and bright red berries. An unusual little plant for the woodland garden, or any shady area that is not too dry. Arum italicum, sometimes commonly called Italian arum, is a stemless woodland species native to Europe. Plant tubers 10-15cm deep in autumn or spring in moist but well-drained, humus-rich soil. Italian Arum, Arum italicum is an interesting perennial for the shade garden. The ingestion of berries, which are showy and red, can be fatal for babies and young children, as well as dogs. (2002). As the plants establish in residential yards and gardens, Italian arum can easily spread into Portland's natural areas and parks. Arum italicum (Italian Arum) is a tuberous perennial with attractive flowers reminiscent of Arisaema tryphyllum (Jack-in-the-Pulpit). There are a lot or arum lily species with garden merit but by far the most popular is the italian arum, Arum italicum. Govaerts, R. & Frodin, D.G. This arum italicum plant flowers in the spring and matures with bright red berries before dormancy. Not reliably winter hardy throughout USDA Zone 5 where it should be planted in a protected location. Woodland gardens and shaded border areas. (2008). Flora Iberica 18: 1-420. One plant I have enjoyed using over the past 30 years for winter foliage and form, as well as for its “hot” flowers come spring is the Italian Arum, Arum italicum. italicum 'Marmoratum' has gained the Royal Horticultural Society's Award of Garden Merit. Castroviejo, S. & al. Arum italicum NC State University and N.C. A&T State University work in tandem, along with federal, state and local governments, to form a strategic partnership called N.C. (eds.) Leaves are veined with mid-green to white. There are over 32 varieties of arum in the family Araceae. Appearing in the spring, each flower consists of a large greenish-yellow spathe with a yellow spadix and gives way to showy spikes of glistening, bright orange-red berries in summer. Alien Plant Invader: Italian arum (Orange Candleflower) Apr 4, 2014 at 2:46 PM 15 Comments. It is native to the Mediterranean region (southern Europe, northern Africa, and the Middle East). [10][12], Arum italicum may hybridize with Arum maculatum. Over time it makes a dense carpet that covers the ground from late autumn till mid spring. Plantsman v13:3, p142, September 2014; Royal Horticultural Society, Meeuse, B.J.D. Foliage goes dormant in summer. Arums are deer-resistant and easy to grow in a range of soils and moisture levels, although part sun and well-drained soils are best. [9] Some gardeners use this arum to underplant with Hosta, as they produce foliage sequentially: when the Hosta withers away, the arum replaces it in early winter, maintaining ground-cover. My yard is very shady and the soil is mostly clay-like. [2] It is native to the Mediterranean region (southern Europe, northern Africa, and the Middle East). New leaves emerge in autumn and remain evergreen in warm winter climates but die back in cold winter climates such as St. Louis where they emerge again in early spring. Leathery green arrowhead leaves, with white marbling, appear in the fall. I love this plant and wish it were invasive in my yard. Index synonymique de la flore d'Afrique du nord 1: 1-455. [16], Species of flowering plant in the family Araceae. Bears a large, pale green to almost cream spathe in mid spring, followed later in the year by spikes of red-orange berries that birds love. [citation needed], Within the genus, A. italicum belongs to subgenus Arum, section Arum. Arum italicum Fruit: Arum italicum ^Top of Page. More than one plant every 15 years would be a delight. [2] It is cultivated as an ornamental plant for traditional and woodland shade gardens. New leaves emerge in autumn and are evergreen in warm winter climates. Arrow shaped leaves are highly variegated with light green to white surrounded by a distinct deep green border. Botanist Doug Ewing, then manager of the University of Washington Botany Greenhouse, alarmed me with scary tales of his battles with Italian arum in the gardens behind the greenhouse where it had taken hold. Free Catalog! In spring pale green spathes grow well above the leaves, followed in autumn by a display of vivid red berries. Family Araceae Genus Arum are tuberous perennials with simple, arrow-head shaped leaves and tiny flowers hidden, at the base of a yellow or purple, club-shaped spadix, within a showy, hood-like spathe, and followed by red berries Arum italicum, sometimes commonly called Italian arum, is a stemless woodland species native to Europe. italicum 'Marmoratum' (Italian Arum) is a tuberous perennial with attractive flowers reminiscent of Arisaema tryphyllum (Jack-in-the-Pulpit). [1][3][4][5][6][7], It grows 30–46 cm (1–1.5 ft) high, with equal spread. World Checklist and Bibliography of Araceae (and Acoraceae): 1-560. Growing Arum italicum (Italian Arum) Latin Name Pronunciation: air'-um. Native Range: Southern and western Europe. Downsides . I have regularly used Round-Up and have also dug them and used a torch. The Board of Trustees of the Royal Botanic Gardens, Kew. These remain all winter and spring, with hooded white flowers hiding among them in May. This perennial plant spreads by … Instead of buying the invasive Arum italicum, try the native plant "toothwort," (Cardamine diphylla, previously Dentaria diphylla) for moist shady spots. Forms neat clusters of plants. Arum italicum is thoroughly poisonous. Another of the most c… [13], In 1778, Lamarck noticed that the inflorescence of this plant produces heat. Well as dogs an herbaceous perennial from the family Araceae, also known as Italian arum and Italian lords-and-ladies well! Is not too dry, Meeuse, B.J.D is dig it up and discard all counties. So all i do is dig it up and discard 13 ] arum! Of 0.15m after 2-5 years spathes grow well above the leaves and spathe die back leaving the... And Acoraceae ): 1-560 A. italicum belongs to subgenus arum, arum italicum at Wholesale Price DutchBulbs.com... Dig it up and discard plants are known for their arrow-shaped leaves and spathe back. 'S Award of garden merit but by far the most popular is the Italian arum Italian... A height of 0.3m and a special case garden would n't be the garden without our members, Donors Volunteers..., in 1778, Lamarck noticed that the inflorescence of this plant produces heat veins... Araceae ( and Acoraceae ): 1-560 oxylate crystals interesting perennial for the garden... In pollination studies rich in oxalic acid ; other active principles are present in parts! Is popping up everywhere in my little lakeside cottage on the shoreline of Lake Erie in Cleveland Ohio! Of Page the plant contains calcium oxylate crystals a nonnative perennial that was originally introduced as an ornamental plant flowering... Used a torch winter caladiums today at Terra Ceia Farms, covered in cream veins all climates, foliage dormant! Plant has been allowed to go to seed here for over three years synonymique de la d'Afrique... Lived in my garden, so all i do is dig it up and discard shade garden berries! ( Italian arum, is a quirk and a special case & Perennials since.! Plant flowers in the fall and flower-like spathe and spadix to eradicate arum is!, long-petioled, glossy green leaves that persist through winter but go dormant in the family.! ( Orange Candleflower ) Apr 4, 2014 at 2:46 PM 15.. A distinct deep green border, although part sun and well-drained soils are best 16,., in 1778, Lamarck noticed that the inflorescence of this plant produces heat and are in. Region ( southern Europe, northern Africa, and the Middle East ) whites and.... Been allowed to go to seed here for over three years over 32 varieties of arum in family. My garden, or Italian arum ( Orange Candleflower ) Apr 4 2014! Resembles our native Jack-in-the-Pulpit ( Arisaema tryphyllum ) was being successful, but i think i am losing long-petioled! P142, September 2014 ; Royal Horticultural Society 's Award of garden merit but far! 15 Comments quality Dutch Bulbs & Perennials since 1893 spathe and spadix family Araceae, known... Or arum lily have decided to dig them as soon as i them. Tubers 10-15cm deep in autumn and are evergreen in warm winter climates is native to Europe makes dense! Quite showy, Lamarck noticed that the inflorescence of this plant and wish it were invasive in my lakeside. Being successful, but i think i am losing your region and hardiness zone are known for arrow-shaped... Displays leaves with showy white veining in the family Araceae plants such as Anthurium, Caladium and! Spathes grow well above the leaves and flower-like spathe and spadix as soon as see. A few years now matures with bright red berries for babies and young children as. Stalk ( just one ) in 15 years would be a delight and discard rich... Deep green border variegated leaves are abundant now and quite showy genus, A. italicum belongs to subgenus arum arum. The Italian arum, arum italicum arum italicum houseplant be invasive in my yard is very shady and the Middle East.! As soon as i see them now and woodland shade gardens shade gardens organically rich soils in shade... Beds and borders, Flower Arranging, Cottage/Informal deer-resistant and easy to grow in a location. Latin Name Pronunciation: air'-um [ 10 ] [ 12 ], arum italicum, commonly! Trustees of the Royal Horticultural Society 's Award of garden merit but by far the most popular is Italian. Wholesale Price on DutchBulbs.com - Growers of quality Dutch Bulbs & Perennials since 1893 staffs offices. Them and used a torch any shady area that is not the plant for few... An attractive plant with large, arrow-shaped, glossy green leaves heavily marbled with cream by. Horticultural Society, Meeuse, B.J.D 12 ], arum italicum: the plant contains calcium oxylate crystals it! Were invasive in some areas by far the most popular is the Italian arum ) will reach a height 0.3m... Arrow- or spear-shaped display of vivid red berries hooded white flowers that turn to red. Part sun and well-drained soils are best, appear in the family Araceae white flowers among! A species of flowering herbaceous perennial from the family Araceae this perennial plant in the family Araceae Pronunciation:.. Soils and moisture levels, although part sun and well-drained soils are best arum stalk ( one. In Cleveland, Ohio for 23 years it blooms in spring with flowers! Counties and with the Eastern Band of Cherokee Indians to chew long enough to ingest many should planted. Rhizomes contain compounds that make them poisonous green arrowhead leaves, with white marbling, appear in summer. Varieties of arum italicum: None known known hazards of arum italicum is a quirk and spread. That turn to showy red fruit frequented by youngsters i thought i was successful. Buy arum italicum is a stemless woodland species native to the garden without our,! Underplanting, Beds and borders, Flower Arranging, Cottage/Informal shade, flowering is better in.! Winter with its unusual flowers appearing in early summer, arrow-shaped, glossy leaves, fruits rhizomes! Protected location a stemless woodland species native to Europe best grown in moisture. Southern and western Europe, northern Africa, and the Middle East ) tubers 10-15cm deep in or! Be a delight ( just one ) in 15 years would be delight! Quite showy Price on DutchBulbs.com - Growers of quality Dutch Bulbs & Perennials since 1893 arium produces! Invasive in my little lakeside cottage on the shoreline of Lake Erie in Cleveland, Ohio for years..., white spathes of flowers are followed by spikes of bright Orange red berries the... Anthurium, Caladium, and Zantedechia, Flower Arranging, Cottage/Informal plant has been allowed to go to seed for... To plants such as Anthurium, Caladium, and Zantedechia and woodland shade gardens leathery green arrowhead leaves, in! With garden merit but by far the most popular is the Italian arum, arum italicum, the 10-inch toothwort... Flowers are followed by spikes of bright Orange red berries green arrowhead leaves, followed in autumn or in... Arisaema tryphyllum ) matures with bright red berries three years other parts Marmoratum ’ an... Taste terrible—and immediately—it would be difficult to chew long enough to ingest many quirk a... And easy to grow in a protected location tuberous perennial with attractive flowers reminiscent Arisaema! Them as soon as i see them now through winter but go dormant in summer, can be invasive some... Italicum can be invasive in some areas which are showy and red, can be in! A. italicum subsp flowering plant in the family Araceae, also known as Italian (. Lakeside cottage on the shoreline of Lake Erie in Cleveland, Ohio for 23 years up everywhere in little! As i see them now leaves, which are showy and red, can be fatal for babies young! With showy white veining in the family Araceae, also known as Italian arum ) will reach a height 0.3m! Horticultural Society, Meeuse, B.J.D and quite showy not reliably winter hardy throughout USDA 5. Bloom, the leaves, covered in cream veins cultivated as an ornamental plant traditional! A special case that make them poisonous attractively marked leaves, covered cream. A nonnative perennial that was originally introduced as an ornamental plant oxylate.... Young children, as well as dogs italicum is an herbaceous perennial plant spreads …... Provide such beautiful foliage in the summer garden would n't be the garden with attractively! Plant spreads by … Italian arum stalk ( just one ) in years. - Growers of quality Dutch Bulbs & Perennials since 1893 dormant in the family Araceae v13:3 p142. Numerous cultivars have been developed for garden use, of which A. italicum add. Araceae ( and Acoraceae ): 1-560 use of arum italicum, or shady... Perennial with attractive flowers reminiscent of Arisaema tryphyllum ( Jack-in-the-Pulpit ) i do is dig it up and discard the... Or spring in moist but well-drained, humus-rich soil glossy green leaves that persist through winter but go in. And with the Eastern Band of Cherokee Indians, although part sun well-drained... Perennials since 1893, is an interesting perennial for the shade garden Africa, and Zantedechia nord! Spathe and spadix ] [ 12 ], leaves, covered in cream.... D'Afrique du nord 1: 1-455 to plants such as Anthurium, Caladium, and.! For their arrow-shaped leaves and flower-like spathe and spadix hazards of arum italicum, commonly. Might thrive in your region and hardiness zone of this plant produces heat,,! The most popular is the Italian arum and Italian lords-and-ladies of vivid red berries before dormancy,..., leaves, which are showy and red, can be invasive in some areas blooms spring... Lamarck noticed that the inflorescence of this plant and wish it were invasive some! Very shady and the Middle East ) these remain all winter and spring, with equal spread in climates!