Iris — 22 species
Botanical species in the genus Iris recorded in the PlantPeers database.
Iris cristata
Iris cristata
Family: Iridaceae
Cultivation
Requires a light or gravelly lime-free soil of a woodland nature in partial shade or full sun. Likes plenty of moisture in summer but the soil must be well-drained. Grows well on a peat bank.
Full cultivation guide →Iris decora
Iris decora
Family: Iridaceae
Cultivation
Prefers a well-drained rich soil in a sunny position. Plants are best lifted in October, stores in dry sand in a cool frost-free place over the winter and planted out in March. Members of this genus are rarely if ever troubled by browsing deer or rabbits.
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Iris domestica
Iris domestica
Family: Iridaceae
Cultivation
Iris domestica is found from the tropics to the warm temperate zone. It is a fairly hardy plant, tolerating temperatures down to about -15°c if given a deep dry mulch over the cold season. Requires a fairly rich sandy or loamy soil in a bright sunny position or light shade.
Full cultivation guide →Iris douglasiana
Iris douglasiana
Family: Iridaceae
Cultivation
We have found this species to be exceedingly easy to grow in sun or shade in our medium loamy soil that is slightly acid. It does well in very wet as well as very dry years. It has withstood considerable neglect, forming a very dense clump that seems capable of standing up to grass and other vigorous plants.
Full cultivation guide →Iris ensata
Iris ensata
Family: Iridaceae
Cultivation
Prefers a light well-drained soil and a sunny position. Prefers partial shade. Likes plenty of moisture and a rich loamy slightly acid soil.
Full cultivation guide →Iris filifolia
Iris filifolia
Family: Iridaceae
Cultivation
Prefers a sunny position. Requires a well-drained soil and needs to be kept dry in summer. Established plants are drought tolerant.
Full cultivation guide →Iris foetidissima
Iris foetidissima
Family: Iridaceae
Cultivation
An easily grown and very tolerant plant, it succeeds in most positions in any good soil in sun or partial shade. Succeeds in dense shade. Prefers a moist soil but succeeds in dry soils and, once established, is drought tolerant.
Full cultivation guide →Iris germanica
Iris germanica
Family: Iridaceae
Cultivation
A very easily grown plant that tolerates considerable neglect, it prefers a sunny position in a well-drained soil that contains some lime. Grows well in dry soils in light deciduous shade. Succeeds in full sun or partial shade.
Full cultivation guide →Iris germanica florentina
Iris germanica florentina
Family: Iridaceae
Cultivation
Prefers a sunny position in a well-drained soil that contains some lime. Grows well in dry soils in light deciduous shade. Succeeds in full sun or partial shade.
Full cultivation guide →Iris japonica
Iris japonica
Family: Iridaceae
Cultivation
Prefers a gritty well-drained soil with plenty of moisture in summer and shelter from early morning sun. Prefers a lime-free soil but succeeds in most good soils. Succeeds in full sun or partial shade, but plants flower better in a hot sunny position.
Full cultivation guide →Iris kemaonensis
Iris kemaonensis
Family: Iridaceae
Cultivation
Requires a sunny position and a well-drained soil containing lime. Prefers a pH between 6 and 7.5 or higher. The rhizome is compact and non-stoloniferous.
Full cultivation guide →Iris macrosiphon
Iris macrosiphon
Family: Iridaceae
Cultivation
Requires a well-drained lime-free soil. Requires a moist soil, growing well by water. Grows well in light shade.
Full cultivation guide →Iris missouriensis
Iris missouriensis
Family: Iridaceae
Cultivation
Requires a moist soil, growing well in a moist border, but intolerant of stagnant water. Easily grown in a sunny position so long as the soil is wet in the spring. A polymorphic species.
Full cultivation guide →Iris pallida
Iris pallida
Family: Iridaceae
Cultivation
Requires a sunny position and a well-drained soil containing lime. Easily cultivated in a sunny position in ordinary garden soil. Prefers a pH between 6 and 7.5 or higher.
Full cultivation guide →Iris pseudacorus
Iris pseudacorus
Family: Iridaceae
Cultivation
Prefers a humus rich soil. Succeeds in water up to 15cm deep. Requires a moist soil, especially in early summer.
Full cultivation guide →Iris purdyi
Iris purdyi
Family: Iridaceae
Cultivation
Easily grown in a well-drained rather dry sandy soil in partial shade. Requires a lime-free soil. Prefers a good leafy soil.
Full cultivation guide →Iris sanguinea
Iris sanguinea
Family: Iridaceae
Cultivation
An easily grown plant, it prefers a humus-rich soil, succeeding in a moist border or by water. Grows well in heavy clay soils. Plants are very cold tolerant, but they can be damaged when dormant if the soil is too moist.
Full cultivation guide →Iris setosa
Iris setosa
Family: Iridaceae
Cultivation
Prefers a well-drained moist soil but succeeds in most soils. Dislikes lime and dry soils. The form from N.
Full cultivation guide →Iris sibirica
Iris sibirica
Family: Iridaceae
Cultivation
Prefers a humus-rich soil, succeeding in a moist border or by water. Grows well in heavy clay soils. The plants are very cold tolerant, but they can be damaged when dormant if the soil is too moist.
Full cultivation guide →Iris tectorum
Iris tectorum
Family: Iridaceae
Cultivation
Prefers a well-drained loam rich in leafmold with plenty of moisture in summer and an open sunny position. Requires a really well-drained soil that is dry rather than damp, and a hot sunny position. Prefers a lime-free soil but succeeds in most good soils and in partial shade.
Full cultivation guide →Iris tenax
Iris tenax
Family: Iridaceae
Cultivation
Requires a really well-drained lime-free soil that is dry rather than damp. Succeeds in dry shade according to another report which also says that, once established, it is drought tolerant. Very easy to grow in a lime-free woodland soil.
Full cultivation guide →Iris versicolor
Iris versicolor
Family: Iridaceae
Cultivation
Prefers growing in marshy conditions. Very easily grown in any damp soil. Prefers a heavy rich moist soil and partial shade.
Full cultivation guide →