Thunbergia

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John J

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Thunbergia
« on: September 16, 2013, 09:43:28 AM »
The first flower on my wife's newly-acquired Thunbergia. Thanks again, Yiannos. The plant is actually still in the container while we wait for one of our neighbours to make a frame for it to climb over.
Cyprus Branch Head. Gardens in a field 40 m above sea level with reasonably fertile clay soil.
"Aphrodite emerged from the sea and came ashore and at her feet all manner of plants sprang forth" John Deacon (13thC AD)

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John J

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Thunbergia alata
« Reply #1 on: October 20, 2013, 10:01:34 AM »
Our 'Black-eyed Susan' is starting to reawaken as the night-time temperatures begin to fall a little.
Cyprus Branch Head. Gardens in a field 40 m above sea level with reasonably fertile clay soil.
"Aphrodite emerged from the sea and came ashore and at her feet all manner of plants sprang forth" John Deacon (13thC AD)

Re: Thunbergia
« Reply #2 on: November 01, 2013, 05:50:54 PM »
Hi! I need help with identification.  Is it grandiflora or laurifolia.  2 pictures of my vine trained to climb the porch roof.  Any tips on how to get it to flower profusely?  Sometimes the flowers are sparse, sometimes profuse.  I can't work it out what makes this plant ticks. 

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Alisdair

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Re: Thunbergia
« Reply #3 on: November 01, 2013, 07:02:46 PM »
It looks like Thunbergia laurifolia to me, perhaps the form with pointed side lobes at the base of the leaves, which Geoffrey Herklots called "the Singapore form".
Incidentally, Kew's Plant List currently says that Thunbergia grandiflora is a synonym for Thunbergia alata - I suspect that this is a mistake, as the "blue-flowered Bengal clock vine" (T. grandiflora) is so very different from "black-eyed susan" (T. alata).
Alisdair Aird
Gardens in SE England (Sussex); also coastal Southern Greece, and (in a very small way) South West France; MGS member (and former president); vice chairman RHS Lily Group, past chairman Cyclamen Society

Re: Thunbergia
« Reply #4 on: November 02, 2013, 01:31:55 AM »
Thank you Alisdair for the quick response.  For years I thought it is a grandiflora.  I hope members can let me have tips on how to get it to flower profusely.  I fertilise it sometimes and not much happens.  I neglect it and it flowered profusely.  Does it do so when there is a dry spell?  Any tips will be greatly appreciated.

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Helen B.

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Re: Thunbergia
« Reply #5 on: November 12, 2013, 03:17:32 AM »
I'm not sure about the dry spell, but a lot of things do better with less fertilizer. For instance my variegated Pandorea jasminoides did not bloom but it is in luxuriant growth with too rich a soil. Maybe next year. And my crinums didn't bloom either, surely because I planted annuals in the same pots and then proceeded to fertilize a bit to get more flowers on the petunias/portulas/what have you. Otherwise the little plants start to look tired. I am learning self control slowly!
I garden in pots on a balcony in Austin, Texas. I'm very fond of bulbs, esp. crinums which can take the Texas rains. I also grow flowering vines.

aristoflora

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Re: Thunbergia
« Reply #6 on: March 26, 2016, 11:04:14 AM »
Here is another very beutiful Thunbergia, T. erecta, a shrubby and therefore space-saving species  ;D

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John J

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Re: Thunbergia
« Reply #7 on: July 21, 2017, 08:40:28 AM »
The first flower on our Thunbergia grandiflora this year.
Cyprus Branch Head. Gardens in a field 40 m above sea level with reasonably fertile clay soil.
"Aphrodite emerged from the sea and came ashore and at her feet all manner of plants sprang forth" John Deacon (13thC AD)

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John J

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Re: Thunbergia
« Reply #8 on: May 11, 2019, 10:34:42 AM »
My wife has acquired the climber pictured below. We are pretty sure it is a red-flowered variety of Thunbergia alata, the 'Black-eyed Susan'.
Cyprus Branch Head. Gardens in a field 40 m above sea level with reasonably fertile clay soil.
"Aphrodite emerged from the sea and came ashore and at her feet all manner of plants sprang forth" John Deacon (13thC AD)

Umbrian

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Re: Thunbergia
« Reply #9 on: May 12, 2019, 07:38:58 AM »
That is a beautiful colour and should give you pleasure all summer if it flowers as profusely as the orange variety.
MGS member living and gardening in Umbria, Italy for past 19 years. Recently moved from my original house and now planning and planting a new small garden.

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Alisdair

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Re: Thunbergia
« Reply #10 on: May 12, 2019, 09:32:35 AM »
Wonderful colour John - looks like 'Arizona Dark Red'
Alisdair Aird
Gardens in SE England (Sussex); also coastal Southern Greece, and (in a very small way) South West France; MGS member (and former president); vice chairman RHS Lily Group, past chairman Cyclamen Society

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John J

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Re: Thunbergia
« Reply #11 on: May 12, 2019, 05:07:28 PM »
Having looked on the Internet I suspected it was something like that, Alisdair, but it's good to get a second opinion, thanks.
Cyprus Branch Head. Gardens in a field 40 m above sea level with reasonably fertile clay soil.
"Aphrodite emerged from the sea and came ashore and at her feet all manner of plants sprang forth" John Deacon (13thC AD)