jmsjon664@aol.com jmsjon664@aol.com
Sat, 08 Nov 2008 14:32:22 PST
Over the years I've tried quite a few oxalis, mostly tender ones, and 
of course others have tried me, severely.  As with all my greenhouse 
plants, my prime criterion is fall or winter bloom.  (Hint: When 
descriptions are given, bloom time is always appreciated).
Species worth mentioning:
O. adenophylla.  So it's not winter-blooming!  For me it's hardly 
blooming at all, though it survives in however
       fitful a way.  I wish someone else had shared the secret of 
O. brasiliensis.  Nice big rose flowers in March; attractive leaves; 
slow-growing.  Quite frost-hardy.
O. hirta 'Gothenberg'.  Best in a hanging pot and then superb.  
Blooming now.  I'm trying it in a colder
       environment, down to 15F.  Dare I hope?
O. lobata.  One I've had for ages; this is a year in which it's 
blessing me after quite a time of sulking.
       Lots of yellow flowers in fall.
O. melanosticta 'Ken Aslet'.  Wonderful leaves; no flowers yet after 2 
O. obtusa.  I managed to struggle with this! - until  PBS'ers set me 
straight.  That is to say, this summer it
       came through just fine.  Winter bloom.
O. pedunculata.  A wacky brassy-yellow flowered succulent species, 
blooming in January.  Not really suited to
       my GH so out it went.
O. rubra; O. articulata ssp rubra f. crassipes; whatever.  Clouds of 
soft pink flowers are borne all summer and
        on into the fall.  Hardy here pressed up against the 
south-facing foundation.  Absolutely non-seeding;
        easily divided.  Put this with Corydalis lutea and you have a 
good 3 months of pink and yellow.
O. triangularis.  I'll mention this because it's there and looks like 
it will always be there.  I'm not as
        enthusiastic about the brick-red leaves as I feel I should be.  
White flowers summer to autumn.
O. versicolor.  I enthusiastically second all that's already been said. 
 Winter bloom.
O. violacea.  Non-bulbous no doubt, but native, attractive enough, and 
utterly non-threatening.  Violet
       flowers in June.
Jim Jones
Lexington, MA

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