Data specific to Daylilies (Edit)
AHS link: |
AHS Daylily Cultivar Info |
Hybridizer: |
Adams-Adams |
Year of Registration or Introduction: |
1991 |
Foliage type: |
Dormant
|
Scape height: |
34 inches |
Bloom size: |
5.5 inches |
Bloom time: |
Midseason
|
Plant Traits: |
Diurnal
|
Fertility: |
Pod Fertile
Pollen Fertile
|
Bloom Traits: |
Self
|
Bloom Form: |
Single
|
Color description: |
clear yellow self with green throat |
General Plant Information (Edit)
Plant Habit: |
Herb/Forb
|
Life cycle: |
Perennial
|
Sun Requirements: |
Full Sun to Partial Shade
|
Minimum cold hardiness: |
Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
|
Flowers: |
Showy
|
Propagation: Seeds: |
Will not come true from seed
|
Propagation: Other methods: |
Division
|
Ploidy: |
Diploid
|
Child plants: |
3 child plants |
Posted by
Polymerous (South San Francisco Bay Area - Zone 9b) on Jul 9, 2013 11:26 PM concerning plant:
Despite what the AHS database says, going by its hybridizing behavior, STARRY DAY is a diploid, not a tetraploid. This was determined many years ago by various members of the snail mail polytepal (as the term was back then) round robins. I personally have confirmed this for myself, by various crosses against known diploids. (I still have a polymerous seedling which I have kept for many years, whose parentage involved STARRY DAY, and also the diploids SPARKLING OPAL and FOUR STAR.)
To compound and propagate the error, If you look at the three child plants listed for STARRY DAY, all of THOSE are also (imho) incorrectly registered as tetraploids. If you look at the other parents involved in the crosses - GIVE ME EIGHT, PURPLE PETALOID, FUCHSIA FOUR - those are all definitely diploid.
STARRY DAY's hybridizing behavior has been known for many, many years. I am surprised that its designation as "tetraploid" still persists in the AHS database - and now is unfortunately being propagated in this database.
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