Re: ground level rebloom in Iris longipetala?

 

Iris pariensis, which is suspected of being an (environmentally-induced?) variant ofÂIris missouriensis, was described from Utah as being only a few inches tall in flower. After weird spring weather, I've seen tall bearded irises bloom on stems a third the regular height with flowers much smaller than normal.

Sean Z

On Thu, Apr 23, 2015 at 4:25 PM, 'Steve Ayala' s*@sonic.net [iris-species] <i*@yahoogroups.com> wrote:
Â

Hereâs a question for the group.

For 15-20 years, weâve had Iris longipetala (aka I. missouriensis longipetala, or I. missouriensis var longipetala) growing in our back yard, just above sea level in Petaluma California. The colony began with a couple of plants and now itâs about 6 feet across.

Usually, these iris start blooming around mid-February and finish after a month or soÂby mid-March. The flowers typically appear on 12-18 inch tall stalks.

This year something different has happened. I mid-April, two of the plants produced new flowers â two on each plant and on stalks only 2-3 inches tall. They are somewhat smaller, but otherwise look similar to those that finished blooming a month earlier.

Is this later, ground-level reflowering something well-known with Iris longipetala (I. m. longipetala)? Iâve never noticed it in the wild populations in grassland and pastures areas north of the San Francisco Bay (or perhaps just not paid attention to it if I did see it).

Iâd be grateful for any thoughts on this.

Steve Ayala

Petaluma, CA


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