cold hardy South African winter growers?

Mark Mazer markemazer@gmail.com
Mon, 19 Dec 2016 15:50:50 PST
Oxalis bowiei should be garden hardy in Raleigh.

Mark Mazer
Hertford,  NC

On Mon, Dec 19, 2016 at 4:22 PM, Ernie DeMarie via pbs <
pbs@lists.ibiblio.org> wrote:

> Hi Nick,
> I am sure there are quite a few winter growers from the higher altitudes
> of the Cape that could do well in your climate, though they might need
> protection from your hot summers with rain.  I have seen Brunsvigia
> gregaria in bloom (summer time, but its leaves grow in winter) at Plant
> Delights in Raleigh, also they have grown Oxalis palmifrons and flava I
> think outdoors there.  I suspect anything from the
> Sutherland/Calvinia/Hantamberg area would be worth trying like Hesperantha
> hantambergensis or Romulea hantambergensis (not easy to germinate, I am
> still working on it, may need quite a bit of cold so I stuck a recalcitrant
> pot of seeds in my new cold frame this time).   Oxalis melanosticta
> exhibits great frost hardiness against a wall here so it probably would do
> fine in NC, as might O stenorrhynca,which like Moraea polystachya tends to
> come up in late summer and bloom before cut down by frost, but unlike the
> moraea it can also come back again for a repeat performance in sprin
>  g here against a wall before going to sleep for summer.  So there should
> be a number of possibilities, its just a matter of trying out different
> things.
> Good luck,
> Ernie DeMarie
> NY, Z6/7 border
>
>
>
> -----Original Message-----
> From: Nicholas plummer <nickplummer@gmail.com>
> To: Pacific Bulb Society <pbs@lists.ibiblio.org>
> Sent: Mon, Dec 19, 2016 1:22 pm
> Subject: [pbs] cold hardy South African winter growers?
>
> The Moraea polystachya planted in my garden has been blooming all autumn,
> despite several frosts.  I'm not sure if it will flower again after several
> nights in the mid 20s and a low of 20 F (-6.5 C) on Friday morning, but the
> foliage still looks good.  This is its third winter planted in the ground.
>
> Are there other South African winter growers that exhibit similar hardiness
> and would be worth trying here in Zone 7b?  Ideally, they'd be plants that
> bloom closer to the beginning of the growing season, so I'd be more certain
> of getting flowers before a hard freeze.
>
> Any suggestions?
>
> Nick Plummer
> Durham, North Carolina, Zone 7
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