Scadoxus multiflorus - how to bloom?
Bulborum Botanicum (Wed, 01 May 2013 11:52:39 PDT)

If you plant Scadoxus multiflorus to late
I have the experience they can't handle longer periods cold below +10ºC
last two winters I planted 50 bulbs half October
only one survived the winter in the poly-tunnel

Roland

2013/5/1 Nicholas Wightman <wightmanflora@hotmail.com>

The cool dry season has day temperatures in the mid to high teens celcius
and night temperatures below 10. The hot dry season has temperatures that
can get into the 30's but usually is in the high 20's. I'm not at all sure
how much temperature plays a role in the bulbs as they occur in full sun to
part shady conditions. I suppose it's best to try treating it as Jim does,
maybe that will work for you too!

Cheers,

Nick

Date: Wed, 1 May 2013 07:45:20 -0700
From: jamesamckenney@verizon.net
To: pbs@lists.ibiblio.org
Subject: Re: [pbs] Scadoxus multiflorus - how to bloom?

Anders, here in Maryland. where summertime day temperatures regularly go

over 32 degrees C (in July 1936 it reached 43 degrees C!); there are on
average about 30 days per year when the temperature is at or over 32
degrees C. Not only is it hot, it is humid. Not, I think, like Denmark.

Scadoxus multiflorus multiflorus grows well and easily here. My plants

have been in the same pot for years. During the frost free season, the pot
is placed in a dish of water and left out in the sun. I try to remember to
keep water in the dish at all times. Some years I throw in some granular
fertilizer. In the autumn, I keep a watch out for night frosts and bring
the pot in for that night if they occur. Otherwise, the pot stays outside
until the foliage ripens sometime in early November. Then the pot comes
inside and spends the winter dry in the heated basement. In April or May it
goes outside again to repeat the cycle.

The soil used is a heavy loam.

Other than that, it gets no special care. And the pot has bloomed every

year, some years more abundantly than others.

Jim McKenney
Montgomery County, Maryland, USA, USDA zone 7, where the tree Davidia

involucrata has about a thousand flowers now, tulips are at their height
and the first tree peonies are in bloom.

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