Canna
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Canna is a small genus from southern USA throughout most of South America. They make annual shoots from perennial, fleshy, usually winter dormant rhizomes. Canna are fast growers for any rich, leafy and slightly moist soil. All are very ornamental due to their large, banana-like foliage and clusters of funnel-shaped flowers in summer. Wild Canna species naturally bear smaller, yet more elegant flowers. There is still plenty of confusion concerning taxonomy in this genus, especially in the extremely variable Canna indica complex. There are two groups of botanists who have been working on the genus Canna more recently since the year 2000. And whereas one group says Canna XYZ is indeed a valid species, the other group says that it is not, but only a synonym. So unless some extensive DNA research is performed within this genus, it will remain an absolute mess. There are uncountable invalid names as well as hybrids which are traded as species and vice-versa. Even large companies specialized in Cannas show an astonishing amount of wrongly identified plants. We try our best to keep botanical names and identification as accurate as possible, however we cannot give any guarantee. What we do guarantee is that you will receive seeds of exactly the plants as shown in our photos! Additionally, seed grown Cannas are free from the Canna Yellow Streak Virus (CaYSV). CaYSV is a devastating viral infection which showed up in the early 21st century, and which has been spread by some commercial growers of Canna hybrids and cultivars throughout most of the world. Prior to sowing scarify seed (e.g. carefully scratch the seed coat with fine sandpaper) and soak them in luke warm water for some 48h. Sow at a minimum of some 20°C in any rich soil. Will start to flower the second year. In most species rhizomes can be unpotted in autumn as soon as foliage has started to yellow. Store rhizomes in a dry, cool and frostfree spot until the end of spring. The tallest species, such as Canna altensteinii and Canna tuerckheimii, are best grown as evergreens at a winter minimum of some 15°C, for their shoots will usually need 4 to 6 months to start flowering. 3 large seeds per package. |
Articles
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Canna altensteinii (Altenstein's Giant Canna)250 (350)cm, Altenstein's Giant Canna is an ornamental and very tall species with showy large leaves and terminal racemes with orange flowers. Canna altensteinii is not an accepted name and it is supposedly a form within the extremely variable Canna indica complex. However, at least our plants labeled Canna altensteinii are clearly distinct from Canna indica and easily recognizable. And it appears that they may fit quite well the description of an accepted Canna species, namely Canna bangii. Unless we will have sorted this out, we will maintain the name Canna altensteinii for our plants. And if at any time in the future we will know with certainty what our plants are, we will inform all customers. These plants grow much taller in all aspects than Canna indica and their overall habit is more similar to Türckheim's Giant Canna (Canna tuerckheimii), whereas seeds are almost twice the size of any Canna indica form. Canna altensteinii is easily grown in humus rich soil in a sunny spot throughout the year. In winter keep plants at a minimum of some 15°C and reduce watering to a minimum. At lower temperatures plants will go dormant and the rootstock will stay dormant during the cold season. VII-X. |
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| seed package0338 | € 4,99 | ||
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Canna compacta150 (190)cm, has elegant broad, banana-like leaves and branching inflorescences with quite large, showy orange-red flowers with a yellowish inner stripe. For any rich, humus rich soil in a sunny spot in summer. The identity of this plant is still uncertain, and usually it is synomymized with the very variable Canna indica. Be it what it may be, Canna compacta looks like a Canna patens on steroids, being significantly larger in all parts. Our plants are seed raised, and all plants are identical and readily set viable and quite large seeds. VI-IX. |
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| seed package8945 | € 4,99 |
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Canna flaccida (Golden Canna)150cm, Golden Canna or Bandanna of the Everglades is native in wetlands from south-eastern to south-central USA. It makes broad lanceloate, yellowish-green leaves and showy, rather large, pale yellow and lightly perfumed flowers which open in the evening and fade away around noon the following day. It is the most widely used parent in large-flowered hybrid cannas. However, the pure species is rarely known in cultivation. Canna flaccida is easily cultivated in any humus rich, always moist soil in a sunny spot during summer. In winter keep the dormant, fleshy rhizomes rather dry in a cool, yet frost free spot. Several companies falsely offer seeds from Canna indica var. flava under the name of Canna flaccida. We provide seeds from the true species. VI-VIII. |
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| seed package0206 | € 4,99 | |||
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Canna glauca (Yellow Water Canna)180cm, Yellow Water Canna is native of wetlands and marshes in subtropical regions of the Americas. It makes ornamental bluish-green leaves and pale to rich yellow flowers, sometimes with a small orange red throat. Canna glauca is easily cultivated in any humus rich, well drained soil in a sunny spot during summer. In winter keep the dormant, fleshy rhizomes in a cool, yet frost free spot. What is usually sold as Canna glauca in the garden trade, are indeed yellow flowered forms of Canna indica or hybrids. We offer seeds from the true species. We have two different forms available: one from Florida, USA with narrow and rich yellow petals, and a second one from Yucatán, Mexico with broad and pale yellow petals. Additionally, plants from Mexico tend to grow somewhat taller and have slightly larger seeds. V-VIII. |
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| seed package (broad petals, pale yellow flowered)0363 | € 4,99 |
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| seed package (narrow petals, rich yellow flowered)4580 | € 4,99 |
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Canna indica var. flava (Yellow Canna)130 (160)cm, Yellow Canna (syn. Canna lutea) makes broad, yellowish green to pale bluish-green, banana-like leaves and small, funnel-shaped light yellow flowers with small reddish spots inside. Easily grown in any rich, slightly moist, humus rich soil in a sunny spot in summer. During winter keep dormant rhizomes drier at a minimum of some 5°C. Canna indica var. flava is sometimes wrongly identified in the garden trade as the much more rarely cultivated and significantly larger flowering Canna flaccida or Canna glauca. VII-IX. |
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| seed package 4537 | € 0,99 | ||
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Canna indica var. indica (Red Canna)150 (180)cm, Red Canna has elegant broad, yellowish green, banana-like leaves, showing red margins. A floriferous species with many crimson red, funnel-shaped flowers throughout summer. For any rich, humus rich soil in a sunny spot in summer. In winter keep rhizomes rather dry in a cool spot at some 5°C to 10°C. Replant in spring after the last strong freezes are over. VII-IX. |
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| seed package2332 | € 1,99 | ||
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Canna indica var. sanctae-rosae (Sancta-rosae Canna)170 (220)cm, Canna indica var. sanctae-rosae is now regarded a synonym of the extremely variable Canna indica var. indica. It slightly differs by having a more rosy-red outside of the otherwise crimson red flowers. As the species it makes elegant broad, yellowish green, banana-like leaves and it is very floriferous throughout summer. For any rich, humus rich soil in a sunny spot in summer. In winter keep rhizomes rather dry in a cool spot at some 5°C to 10°C. Replant in spring after the last strong freezes are over. VII-IX. |
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| seed package9157 | € 2,99 | ||
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Canna indica var. warszewiczii (Violet Canna)150 (180)cm, Violet Canna is one out of few taxonomically recognized varieties within the extremly variable Canna indica group. It has elegant broad, yellowish green, banana-like leaves with a purplish margin. A floriferous species with many crimson red, funnel-shaped flowers on purplish stalks throughout summer and which are followed by purple seed capsules. For any rich, humus rich soil in a sunny spot in summer. In winter keep rhizomes rather dry in a cool spot at some 5°C to 10°C. Replant in spring after the last strong freezes are over. VII-IX. |
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| seed package9155 | € 2,99* | |||
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Canna paniculata200 (300)cm, is a rarely cultivated, tall species native from Costa Rica and Mexico to South America. Canna paniculata is evergreen with long, banana-like leaves topped by a losely branching panicle with orange-red tubular shaped flowers. Easily grown in rich substrate in a sunny spot througout the year. This large species requires sufficient space to develop well and is best grown in a large container. During winter keep plants at a minimum of some 15°C and reduce watering to a minimum. At lower temperatures plants will go dormant and the rootstock will stay dormant during the cold season. However, plants shall be kept growing in winter to achieve free flowering. Seeds are from true-to-type plants, and of an ovate shape, similar to those in Canna tuerckheimii, from which it mainly differs by an overall smaller habitat, and a darker flower color. V-IX. |
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| seed package9593 | € 7,99 |
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Canna patens150 (180)cm, this species was once regarded as a form within the extremely variable Canna indica complex, however, based on DNA analysis in 2011, it is now usually accepted as a taxonomically distinct and valid species of its own. Some seed merchants offer it under the illegitimate name Canna speciosa. It makes broad, yellowish green banana-like leaves and numerous flowers with orange-red upper petals and yellow lower lips with red spots. Seeds in Canna patens are perfectly round, black and with a distinctively glossy shine. Easily grown in any rich, humus rich soil in a sunny spot in summer. In winter keep dormant rhizomes drier and at a minimum of some 5°C. VII-IX. |
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| seed package8850 | € 1,99 | |||
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Canna tuerckheimii (Türckheim's Giant Canna)250 (400)cm, Türckheim's Giant Canna (syn. Canna gigantea, Canna latifolia) is native from Mexico to Ecuador and the tallest member in its genus. Some of our own plants have even gained more then 400 cm in height - an impressively large Canna species! It is an evergreen species with very long and broad, banana-like leaves topped by a very tall losely branching stalk with orange-red flowers. For any humus rich soil in a sunny spot throughout the year. This large species requires sufficient space to develop well and is best grown in a large container. During winter keep plants at a minimum of some 15°C and reduce watering to a minimum. At lower temperatures plants will go dormant and the rootstock will stay dormant during the cold season. However, plants shall be kept growing in winter to achieve free flowering. III-IX. |
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| seed package8855 | € 4,99 | ||
| seed package (50 seeds)9483 | € 19,90 | ||
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