UBC Botanical Garden Forums A help forum for gardening, botany and plants. Wed, 15 Jul 2026 23:16:04 +0000 Wed, 15 Jul 2026 23:16:04 +0000 UBC Botanical Garden Forums https://forums.botanicalgarden.ubc.ca/ Lavender ID please Wed, 15 Jul 2026 17:00:34 +0000 https://forums.botanicalgarden.ubc.ca/threads/lavender-id-please.105579/ https://forums.botanicalgarden.ubc.ca/threads/lavender-id-please.105579/ invalid@example.com (David Tang) David Tang 9 July 2026 in the Garden - lots of flowers Wed, 15 Jul 2026 06:02:30 +0000 https://forums.botanicalgarden.ubc.ca/threads/july-2026-in-the-garden-lots-of-flowers.105584/ https://forums.botanicalgarden.ubc.ca/threads/july-2026-in-the-garden-lots-of-flowers.105584/ invalid@example.com (wcutler) wcutler July in the Garden 2026 | UBC Botanical Garden blog, there is just so much calling out for attention. The entrance plaza is a riot of colour:
View attachment 265168 View attachment 265169

Here is Fuchsia magellanica
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and Fuchsia 'Little Gem'
View attachment 265170 ...

July 2026 in the Garden - lots of flowers]]> Red maples in this weather Wed, 15 Jul 2026 05:48:58 +0000 https://forums.botanicalgarden.ubc.ca/threads/red-maples-in-this-weather.105580/ https://forums.botanicalgarden.ubc.ca/threads/red-maples-in-this-weather.105580/ invalid@example.com (Dulce) Dulce
I wanted to ask some advice to find a Japanese maple that is red during this time of year (june-july). I have a small collection an none of my trees are red at the moment... I only have bright red colours during spring and then autumn...

I spotted a bright red tree this afternoon ... I couldn't get closer for the picture as it is inside someone else's garden but I think it looks like a Japanese maple. Can anyone help me with some Japanese maples trees that got bright red around this...

Red maples in this weather]]> 4 Is this Lophophora williamsii? Tue, 14 Jul 2026 03:35:02 +0000 https://forums.botanicalgarden.ubc.ca/threads/is-this-lophophora-williamsii.102749/ https://forums.botanicalgarden.ubc.ca/threads/is-this-lophophora-williamsii.102749/ invalid@example.com (Sergio88) Sergio88
https://photos.app.goo.gl/5T5wUT3bEwQUMPmZ6
https://photos.app.goo.gl/hxTqULhR6JUhaJoy5
https://photos.app.goo.gl/QQ6ffWEnagwPu8QD8
https://photos.app.goo.gl/Zb5AF8K5PjdK2Rpj9]]> 1 Please help me with my cactus. It's may be dying. Tue, 14 Jul 2026 03:31:40 +0000 https://forums.botanicalgarden.ubc.ca/threads/please-help-me-with-my-cactus-its-may-be-dying.103848/ https://forums.botanicalgarden.ubc.ca/threads/please-help-me-with-my-cactus-its-may-be-dying.103848/ invalid@example.com (Xarin) Xarin
View attachment 246952]]> 7 Disease, pest or? Tue, 14 Jul 2026 03:28:41 +0000 https://forums.botanicalgarden.ubc.ca/threads/disease-pest-or.105582/ https://forums.botanicalgarden.ubc.ca/threads/disease-pest-or.105582/ invalid@example.com (wazungy) wazungy It seems to be suffering from something.
Not all leaves are affected . it is not local but it is widespread affecting maybe 20 - 30 percent of the plant.

Anybody have an "id"?]]> 2026 virtual garden tour... Mon, 13 Jul 2026 23:39:59 +0000 https://forums.botanicalgarden.ubc.ca/threads/2026-virtual-garden-tour.105418/ https://forums.botanicalgarden.ubc.ca/threads/2026-virtual-garden-tour.105418/ invalid@example.com (Pieter) Pieter
There's not much to find in terms of colour in the yard this time of year but I did find some...

View attachment 261042 Like this Anenome coronaria, which I've seen unfolding very slowly over the past couple of weeks. There's a white one budding up not far away...
View attachment 261043 Here I thought I found a primula without slug damage but upon closer inspection of the picture I do see some, minor though it is..
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2026 virtual garden tour...]]> 47 Bacteria turn dissolved uranium into stable compound in 130 days, study finds Mon, 13 Jul 2026 13:23:09 +0000 https://forums.botanicalgarden.ubc.ca/threads/bacteria-turn-dissolved-uranium-into-stable-compound-in-130-days-study-finds.105581/ https://forums.botanicalgarden.ubc.ca/threads/bacteria-turn-dissolved-uranium-into-stable-compound-in-130-days-study-finds.105581/ invalid@example.com (Junglekeeper) Junglekeeper Bacteria turn dissolved uranium into stable compound in 130 days, study finds
]]> Acer seedlings Fri, 10 Jul 2026 13:44:52 +0000 https://forums.botanicalgarden.ubc.ca/threads/acer-seedlings.104348/ https://forums.botanicalgarden.ubc.ca/threads/acer-seedlings.104348/ invalid@example.com (AlainK) AlainK
Here are a couple I like, no genealogy, no name, just maples from seed that I like.
Nice colours, half-dissected lobes, red bark. Interesting if it stays like that, innit?
I took the other one to make an experiment. I watered it with food colouring when it budded out to take a picture of a "Blue Acer" : it...

Acer seedlings]]> 50 Acer palmatum 'Trompenburg' Fri, 10 Jul 2026 03:33:02 +0000 https://forums.botanicalgarden.ubc.ca/threads/acer-palmatum-trompenburg.2303/ https://forums.botanicalgarden.ubc.ca/threads/acer-palmatum-trompenburg.2303/ invalid@example.com (Elmore) Elmore 81 Acer japonicum 'Vitifolium' Fri, 10 Jul 2026 03:27:39 +0000 https://forums.botanicalgarden.ubc.ca/threads/acer-japonicum-vitifolium.6666/ https://forums.botanicalgarden.ubc.ca/threads/acer-japonicum-vitifolium.6666/ invalid@example.com (mendocinomaples) mendocinomaples 58 Acer japonicum 'Fairy Lights' Thu, 09 Jul 2026 03:44:18 +0000 https://forums.botanicalgarden.ubc.ca/threads/acer-japonicum-fairy-lights.8530/ https://forums.botanicalgarden.ubc.ca/threads/acer-japonicum-fairy-lights.8530/ invalid@example.com (rkburgess) rkburgess
Kent]]> 59 Acer pictum 'Naguri Nishiki' Wed, 08 Jul 2026 22:23:32 +0000 https://forums.botanicalgarden.ubc.ca/threads/acer-pictum-naguri-nishiki.101931/ https://forums.botanicalgarden.ubc.ca/threads/acer-pictum-naguri-nishiki.101931/ invalid@example.com (LoverOfMaples) LoverOfMaples
A description from MrMaple
Acer pictum 'Naguri nishiki' Batwing Maple]]> 8 Acer shirasawanum 'Yasemin' Wed, 08 Jul 2026 22:09:37 +0000 https://forums.botanicalgarden.ubc.ca/threads/acer-shirasawanum-yasemin.26475/ https://forums.botanicalgarden.ubc.ca/threads/acer-shirasawanum-yasemin.26475/ invalid@example.com (mjh1676) mjh1676 Acer palmatum 'Yasemin'

A chance seedling noticed by Cor van Geldern at Firma C. Esveld and named after his Daughter Mirte Yasemin. To further qutoe the Vertrees 3rd edition:
" Interestingly the original plant seems to display the influence of severy nearby trees-the color of 'Bloodgood', the habit of 'Trompenburg', and the leaf shape of Acer japonicum 'Aconitifolium'."

While I am not sure of the above, it makes a good story and does sufficiently describe the tree. A very...

Acer shirasawanum 'Yasemin']]> 19 Acer japonicum 'Yama Kage' Wed, 08 Jul 2026 22:07:14 +0000 https://forums.botanicalgarden.ubc.ca/threads/acer-japonicum-yama-kage.100096/ https://forums.botanicalgarden.ubc.ca/threads/acer-japonicum-yama-kage.100096/ invalid@example.com (LoverOfMaples) LoverOfMaples 5 Acer sieboldianum 'Kumoi nishiki' Wed, 08 Jul 2026 22:04:24 +0000 https://forums.botanicalgarden.ubc.ca/threads/acer-sieboldianum-kumoi-nishiki.76826/ https://forums.botanicalgarden.ubc.ca/threads/acer-sieboldianum-kumoi-nishiki.76826/ invalid@example.com (NJACER) NJACER 21 Acer palmatum 'Yellow Threads' Wed, 08 Jul 2026 22:00:02 +0000 https://forums.botanicalgarden.ubc.ca/threads/acer-palmatum-yellow-threads.100038/ https://forums.botanicalgarden.ubc.ca/threads/acer-palmatum-yellow-threads.100038/ invalid@example.com (LoverOfMaples) LoverOfMaples 12 Grey Alder Saplings to Give Away Mon, 06 Jul 2026 23:55:31 +0000 https://forums.botanicalgarden.ubc.ca/threads/grey-alder-saplings-to-give-away.105578/ https://forums.botanicalgarden.ubc.ca/threads/grey-alder-saplings-to-give-away.105578/ invalid@example.com (DavidB52) DavidB52 AKA Speckled Alder or Mountain Alder.

Presently in #2 pots.

Grey Alder are considered a small tree or a large shrub. Unlike the Red Alder that are more common around the Lower Mainland, which reach up to 80 feet tall, Grey Alder reach about 25 feet tall.

They are cold-hardy to Canadian Zone 2 and nitrogen-fixing (i.e., they absorb nitrogen from the atmosphere and disperse it into the ground, beneficial to plants around...

Grey Alder Saplings to Give Away]]> Vancouver Island Beggarticks Mon, 06 Jul 2026 23:30:17 +0000 https://forums.botanicalgarden.ubc.ca/threads/vancouver-island-beggarticks.105577/ https://forums.botanicalgarden.ubc.ca/threads/vancouver-island-beggarticks.105577/ invalid@example.com (DavidB52) DavidB52
They came with seeds from a few other plants.

For most of the growing season I had assumed some of these other plants were Marigolds and, thought, bonus! I like Marigolds, so I let them be. However, now that they are larger and on the verge of flowering, their leaves are different than those of Marigolds.

According to the "Seek" app on my phone, these plants are...

Vancouver Island Beggarticks]]> Anything in Particular is a Must Have when you get a new plant Mon, 06 Jul 2026 22:15:15 +0000 https://forums.botanicalgarden.ubc.ca/threads/anything-in-particular-is-a-must-have-when-you-get-a-new-plant.105565/ https://forums.botanicalgarden.ubc.ca/threads/anything-in-particular-is-a-must-have-when-you-get-a-new-plant.105565/ invalid@example.com (mobiledynamics) mobiledynamics If the timing doesn't, I might hold it in the container for either a fall planting or hold it over till next year, if I have done a bare root root correction and rather let it recover in a pot for a season before I throw it out in the elements. Sometimes plants are upotted and upotted and you have like thick advantageous roots pruned off after removing like 4-5 inches of soil..

I find in plants from #15 to even as...

Anything in Particular is a Must Have when you get a new plant]]> 2 Acer palmatum x 'Purple Curl' Sun, 05 Jul 2026 07:04:15 +0000 https://forums.botanicalgarden.ubc.ca/threads/acer-palmatum-x-purple-curl.102773/ https://forums.botanicalgarden.ubc.ca/threads/acer-palmatum-x-purple-curl.102773/ invalid@example.com (LoverOfMaples) LoverOfMaples
Description from MrMaple
Acer palmatum x 'Purple Curl' Japanese Maple]]> 4 20260821 - Cortes Island - Naturalist workshop - Aug 21-24, 2026 Sat, 04 Jul 2026 20:08:32 +0000 https://forums.botanicalgarden.ubc.ca/threads/20260821-cortes-island-naturalist-workshop-aug-21-24-2026.105576/ https://forums.botanicalgarden.ubc.ca/threads/20260821-cortes-island-naturalist-workshop-aug-21-24-2026.105576/ invalid@example.com (Frog) Frog August 21-26, 2026
Cortes Island, B.C.
https://conservancy.bc.ca/get-involved/deertrails-naturalist-program/
Application deadline July 31, 2026]]> Cedrus atlantica 'Glauca', espaliered Thu, 02 Jul 2026 16:29:02 +0000 https://forums.botanicalgarden.ubc.ca/threads/cedrus-atlantica-glauca-espaliered.105575/ https://forums.botanicalgarden.ubc.ca/threads/cedrus-atlantica-glauca-espaliered.105575/ invalid@example.com (wcutler) wcutler View attachment 265124]]> 1 Winged thorn rose Thu, 02 Jul 2026 06:32:02 +0000 https://forums.botanicalgarden.ubc.ca/threads/winged-thorn-rose.95624/ https://forums.botanicalgarden.ubc.ca/threads/winged-thorn-rose.95624/ invalid@example.com (wcutler) wcutler Rosa sericea subsp. omeiensis forma pteracantha, winged thorn rose. I first saw it four years ago at English Bay and posted some photos on flickr at Search: rosa sericea | Flickr. I just discovered that the Wikipedia page for Rosa sericea is using one of those photos.

These photos are from...

Winged thorn rose]]> 9 What influences petiole-colour in Philodendron squamiferum? Wed, 01 Jul 2026 20:10:26 +0000 https://forums.botanicalgarden.ubc.ca/threads/what-influences-petiole-colour-in-philodendron-squamiferum.102398/ https://forums.botanicalgarden.ubc.ca/threads/what-influences-petiole-colour-in-philodendron-squamiferum.102398/ invalid@example.com (Wolfram1) Wolfram1
I have recently aquired 2 rooted cuttings from Philodendron squamiferum one was a little offshoot with a few small undifferenciated leaves, while the other was a 2-noded head-cutting of a larger plant with one large mature leaf.


what confused me was that the petiole of the mature leaf was almost completely green while the little offshoot had partially red petioles. They did not come from the same plant.

What i want to know is the following....

What influences petiole-colour in Philodendron squamiferum?]]> 5