Jasmines: 'Grand Duke of Tuscany' vs. 'Grand Duke Supreme'?

Carol love_the_yard (Zone 9A Jacksonville, FL)

6 years ago

Does anyone have *both* of these jasmine plants?

Jasminum sambac 'Grand Duke of Tuscany'

Jasminum sambac 'Grand Duke Supreme'

What differences have you noticed?

Does Supreme really grow faster than non-Supreme?

I have the plant in the photos below, but I'm not sure which of the two I have. The bloom and the scent are both outstanding! I got it from the local flea market - $5 - and there were several rooted plants in the container which have now been gently separated into their own pots. The seller, who also had several other varieties of jasmine including Maid of Orleans, called this one "Dahbo/Dabbo" or "Dahpo/Dappo". I have searched and searched but haven't found anything on the web with
that name, related to jasmine. Anyone recognize that name for this
plant?

These photos are of rooted cuttings separated from the flea market pot:

I would love to know which of the two I have.

Thanks!
Carol in Jacksonville

Featured Answer

jasminegal

6 years ago

Carol Robert is right. I have both these varieties and I am partial to Supreme. Both of these varieties have gorgeous blooms but Supreme grows faster and is not stingy with blooms like Tuscany especially if the plant is smaller. Tuscany is very prone to fascinated blooms as well. It combines all three blooms into one and what you get is a huge bloom but is nowhere near the fragrance or the beauty of its one bloom. $5 for Supreme..wow. Michelia for $25! I can't even dream to get these plants for that price :)

Don't worry about the thai names of jasmines. Everyone calls them differently. Enjoy your plants!

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Comments (13)

Robert (zone 7a, Oklahoma)
6 years ago
Pointed leaves = Jasminum sambac 'Grand Duke Supreme'.

Rounded leaves = Jasminum sambac 'Grand Duke of Tuscany'.

Judging from your pics I'd say Supreme. Congrats! It is a faster grower though to my nose the scent seems more fruity than GDT. I have Supreme but want GDT as well.
Carol love_the_yard (Zone 9A Jacksonville, FL) thanked Robert (zone 7a, Oklahoma)
Carol love_the_yard (Zone 9A Jacksonville, FL)
Original Author
6 years ago
Thanks so much, Robert. I'm thrilled to have it and it's one of those rare coups when you get something like this at the flea market (!).

Curious - not trying to knit-pick - how do you know it is fruitier than GDT if you don't have GDT?

I got a six-foot, grafted Michelia Alba for $25 from the same vendor last year:

It bloomed like crazy - even through winter - and I now have it planted in the yard. Borderline zone denial for me - I may not have it for many years if the long, hard freezes return to Jacksonville - but I just wasn't doing it justice by keeping it in the pot (even though I had potted up into a nice huge glazed pot). It's had a great spring and I'm eager to see what summer brings.

Thanks again for the help, Robert,

Carol
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Hi Robert. I apologize for not responding to your comment sooner. I have just had a lot of over things going, but I truly do appreciate your help. I went back through the older posts and found your comment on your GDS. I ordered from the Ebay link you posted, so I know now it's GDS! Okay, now to answer your questions. The pot is 6 in across and a little over 5 inches deep. The vine itself is 11 in tall. Since I posted this thread, the two buds that finally started growing are really doing well. The largest growth is now about 2 inches long, and the other is around a half an inch but I also see a 3rd but right in the same area that has swollen and is about to start growing. I think tomorrow I will just go ahead and repot it since it is doing so well. Just like you said above, either repot it or water daily, if not more...I could water daily, and now that I am finally getting the kind of growth that I am seeing, I am convinced it is the right time! Especially considering the fact that this Jasmine only receives strong morning light! I cannot wait to get my first flower bud Robert! I know I could go back and find this out on my own, but does this particular variety bloom on new wood? I am assuming it does based on the pictures of your beast! Thanks again Robert. I really appreciate it! I will admit that I am not the best about posting pictures of my plants, but I will try and get one of mine once I have it repotted.
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Robert (zone 7a, Oklahoma)
6 years ago
Haha. You're welcome. I'm a total sambac jasmine junky. I've sniffed many cultivars of this species in my life including Grand Duke of Tuscany. I've sniffed them in nurseries, friends' houses, Asian markets, etc. If it wasn't such a slow, awkward grower I probably would have owned GDT by now. To me GDT has a richer more classic jasmine scent. Maybe others will chime in.

Wow! Can't believe you found a michelia for such a cheap price. Congrats!

-Robert
Carol love_the_yard (Zone 9A Jacksonville, FL) thanked Robert (zone 7a, Oklahoma)
Carol love_the_yard (Zone 9A Jacksonville, FL)
Original Author
6 years ago
Robert, thanks! I'm working on becoming a Jasmine Junky, too. I have Maid of Orleans (but I guess everyone does) and I'm in the market for French Perfume. However, my research shows that there are a number of cultivars that can go by that name. Haven't made a purchase yet.

Jasminegal, thanks for the confirmation and useful information. I'm not worried about the name. Since the name was used, it's a valid question to ask. I saw the lady again this past weekend and followed up with her. She confirmed that I had the name correct (according to her). I like to research and I could not find one single reference to jasmine using that name on the entire world wide web. It is curiosity that drives the question since I already have the plant.
jasminegal
6 years ago
last modified: 6 years ago
I know Carol.. and I can understand the curiosity. I started the research for these names 5-6 yrs ago and have now ended up with a huge collection of jasmines and then some :) I am a jasmine junkie too..lol!

I have french perfume jasmines called as jasminum grandiflorum french perfume(flora plena) which is a double and jasminum grandiflorum a single from logees. Both of them are vigorous bloomers in summer and do not require chilling period for blooms. The nurseries sell them with different names but essentially they all are cultivars of jasmineum officianale. I love the single variety a little better. The blooms are bigger for this cultivar. Accents sells a single variety called as jasminum officianale or poet's jasmine which has smaller bloom. They also have double variety and call it as jasmine officianale grandiflora-french perfume. Hope this helps.
Carol love_the_yard (Zone 9A Jacksonville, FL) thanked jasminegal
susan85
5 years ago
Here's an image that shows differences:
Carol love_the_yard (Zone 9A Jacksonville, FL) thanked susan85
Florida_Joe's_Z10a
5 years ago
I just bought one at my flea market. The scent is amazing. I'm guessing it's grand Duke supreme.
Omar Itani
4 years ago

I have GDT smells like heaven!!! I also have maid of orleans and belle of india! Where can I buy the supreme?
HU-215453459
4 years ago
Carol, I live in Brazil. Can you send me yours plants? I but it and pay the shopping costs... I really love Jasmin Sambac... Please...
RedSun (Zone 6, NJ)
3 years ago
I'm not sure if some of the comments are correct. I have two varieties of GDT. I can't really tell the difference of pointed vs round leaves. Both varieties have both pointed and round leaves.

The first variety has larger (the largest) jasmine flower. It develops very slowly and when opens, still retains some of the green tint. The leaves are larger. I would call this larger flowered "Supreme".

The second variety has smaller flowers and more fragrant. The flower is pure white, no green. The leaves are smaller and more smooth. I'd call this the regular GDT.

In general, nurseries do not distinguish the two varieties. The identifications are all mixed.
HU-717978309
last year
Hi Carol, would you please me one of your Grand Duke Supersupreme on the picture ? i live in Oklahoma
Carol love_the_yard (Zone 9A Jacksonville, FL)
Original Author
last year
I'm so sorry, but I no longer have that plant. I have down-sized a lot and moved on to mostly bromeliads. I hope you can find it!