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I
FlowersHardyPerennial (long-lived)
Iris
Iris includes rhizomatous and bulbous flowering plants valued for elegant blooms and sword-like foliage. Garden irises offer a wide seasonal range, but most thrive best where light, drainage and correct planting depth are carefully observed.
Basic information
Category
Flowers
Lifecycle
Perennial (long-lived)
Hardiness
Hardy
Planting partners
0 companions · 0 crops to avoid
Growth profile
Plant spacing
30 cm
Row spacing
40 cm
Height
75 cm
Spread
30 cm
Calendar
JJan
FFeb
MMar
AApr
MMay
JJun
JJul
AAug
SSep
OOct
NNov
DDec
Sow Indoors
Sow Outdoors
Plant Out
Flowering / Harvest
Timings based on average frost dates in the UK. Sign up to set your frost dates.
Care tips
Give irises full sun and excellent drainage, especially the rhizomatous bearded types which resent being buried too deeply. Divide overcrowded clumps after flowering when vigour drops, and remove spent foliage or rotten growth quickly to keep plants clean.
Common pests
Slugs, iris sawfly, rhizome rot, leaf spot.
Companions
No companion crops have been added yet.
Don’t grow with
No crops to avoid have been added yet.