Iris 'White Swirl'
in the 2018 seed distribution
Sorry, it's now too late to order seed from this distribution.
We have sent out all orders, and hope you enjoy growing the seed.
N.B. Potentially harmful plant
Seed list no
HP: Hardy Perennial
Sibirica, white flared fls, yellow centre, moist soil, early summer
AT: sow any time
So: soak in warm water for 12 hours
Cd: expose to winter cold (outdoors overwinter or in a refrigerator for 3 months)
H7: colder than -20°C, Very hardy
Z4: to -33°C