UBC Botanical Garden Forums A help forum for gardening, botany and plants. Tue, 08 Oct 2019 14:05:42 +0000 Tue, 08 Oct 2019 14:05:42 +0000 UBC Botanical Garden Forums https://forums.botanicalgarden.ubc.ca/ At last - New arrival Tue, 08 Oct 2019 08:02:25 +0000 https://forums.botanicalgarden.ubc.ca/threads/at-last-new-arrival.96552/ https://forums.botanicalgarden.ubc.ca/threads/at-last-new-arrival.96552/ invalid@example.com (Luke’s Maples) Luke’s Maples 4 What is this white stuff in my soil, and will it hurt the Port. Laurels I'm about to plant? Tue, 08 Oct 2019 07:46:36 +0000 https://forums.botanicalgarden.ubc.ca/threads/what-is-this-white-stuff-in-my-soil-and-will-it-hurt-the-port-laurels-im-about-to-plant.96554/ https://forums.botanicalgarden.ubc.ca/threads/what-is-this-white-stuff-in-my-soil-and-will-it-hurt-the-port-laurels-im-about-to-plant.96554/ invalid@example.com (Nate Day) Nate Day Mystery Material
When I first unearthed it, I thought it was ashes from a burn pile, but that's definitely not it. Some suspect it could be a type of fungus or snow mold. It seems to be most common where there's a piece of wood buried in the soil. I stopped planting because I don't want to expose my laurels to soil if it might be "contaminated." The ground was neglected for several years and is covered with a...

What is this white stuff in my soil, and will it hurt the Port. Laurels I'm about to plant?]]> 2 Magnolia in trouble Tue, 08 Oct 2019 04:00:26 +0000 https://forums.botanicalgarden.ubc.ca/threads/magnolia-in-trouble.25574/ https://forums.botanicalgarden.ubc.ca/threads/magnolia-in-trouble.25574/ invalid@example.com (HughWirch) HughWirch
I've attached pictures of a) typical flower browning and dying and b) the stem oozing sap.

Any ideas what causes this? I can't see any...

Magnolia in trouble]]> 23 help with cactus needes Mon, 07 Oct 2019 20:53:20 +0000 https://forums.botanicalgarden.ubc.ca/threads/help-with-cactus-needes.96553/ https://forums.botanicalgarden.ubc.ca/threads/help-with-cactus-needes.96553/ invalid@example.com (Cesarius) Cesarius 1 Lawn weed in UK Mon, 07 Oct 2019 11:00:40 +0000 https://forums.botanicalgarden.ubc.ca/threads/lawn-weed-in-uk.96551/ https://forums.botanicalgarden.ubc.ca/threads/lawn-weed-in-uk.96551/ invalid@example.com (Richard E Masson) Richard E Masson Any I D would be helpful.
Thank you]]> 3 Brown and shriveled cactus Mon, 07 Oct 2019 07:16:25 +0000 https://forums.botanicalgarden.ubc.ca/threads/brown-and-shriveled-cactus.96550/ https://forums.botanicalgarden.ubc.ca/threads/brown-and-shriveled-cactus.96550/ invalid@example.com (Erica16) Erica16 Is this Amanita muscaria? Mon, 07 Oct 2019 05:32:42 +0000 https://forums.botanicalgarden.ubc.ca/threads/is-this-amanita-muscaria.96544/ https://forums.botanicalgarden.ubc.ca/threads/is-this-amanita-muscaria.96544/ invalid@example.com (Ucraicmeup) Ucraicmeup 12 Edible Mushroom? Mon, 07 Oct 2019 00:10:21 +0000 https://forums.botanicalgarden.ubc.ca/threads/edible-mushroom.96505/ https://forums.botanicalgarden.ubc.ca/threads/edible-mushroom.96505/ invalid@example.com (bpither) bpither 18 Grandiflora Edith Bogue - New leaf damage Sun, 06 Oct 2019 22:43:40 +0000 https://forums.botanicalgarden.ubc.ca/threads/grandiflora-edith-bogue-new-leaf-damage.96549/ https://forums.botanicalgarden.ubc.ca/threads/grandiflora-edith-bogue-new-leaf-damage.96549/ invalid@example.com (Murphy12) Murphy12
Grandiflora Edith Bogue - New leaf damage]]> Soil chemistry problem Sun, 06 Oct 2019 21:24:21 +0000 https://forums.botanicalgarden.ubc.ca/threads/soil-chemistry-problem.96545/ https://forums.botanicalgarden.ubc.ca/threads/soil-chemistry-problem.96545/ invalid@example.com (sgbotsford) sgbotsford
I performed the following test:

Packed a pot solidly with compost to a density similar to what I use transplanting.

Applied 1 inch of water, waited for it to drain, and added about another inch. (1 liter of water total for a 3 liter pot.)

Let it sit over night.

Applied half a liter of water.

Collected the first leachate out of the bottom of the pot.

Measured the electrical conductivity. 10.8 mS/cm . My water is moderately high,...

Soil chemistry problem]]> 10 6 October 2019 Garlic Bed Sun, 06 Oct 2019 20:20:39 +0000 https://forums.botanicalgarden.ubc.ca/threads/6-october-2019-garlic-bed.96548/ https://forums.botanicalgarden.ubc.ca/threads/6-october-2019-garlic-bed.96548/ invalid@example.com (Durgan) Durgan 6 October 2019 Garlic Bed
Posted on October 6, 2019 by Durgan
6 October 2019 Garlic Bed 6 October 2019 Garlic Bed
Preparation for planting garlic for 2019/2020 season on about 20 October. The selected area was rototilled, mulch wood chips will be applied after the cloves are planted.Garlic is...

6 October 2019 Garlic Bed]]> 6 October 2019 Gruel Sun, 06 Oct 2019 19:47:42 +0000 https://forums.botanicalgarden.ubc.ca/threads/6-october-2019-gruel.96547/ https://forums.botanicalgarden.ubc.ca/threads/6-october-2019-gruel.96547/ invalid@example.com (Durgan) Durgan 6 October 2019 Gruel
Posted on October 6, 2019 by Durgan
6 October 2019 Gruel 6 October 2019 Gruel
Gruel was made, corn, wheat, sunflower seeds, flax, and almonds. Blended with water and cooked for about two hours in a double boiler. This is my breakfast cereal.The finished product is placed in...

6 October 2019 Gruel]]> Acer Seeds Sun, 06 Oct 2019 15:53:39 +0000 https://forums.botanicalgarden.ubc.ca/threads/acer-seeds.96532/ https://forums.botanicalgarden.ubc.ca/threads/acer-seeds.96532/ invalid@example.com (LoverOfMaples) LoverOfMaples
I collected a few different types of acer seeds and was wondering if they all have the same stratification process to germinate as palmatum?

I collected:
Acer Campestre
Acer Monspessulanum
Acer Pseudosieboldianum
Acer Pubinerve
Acer Heldreichii
Acer Shirasawanum var Tenuifolum
Acer Tataricum]]> 10 Anybody seeing any early colour change? Sun, 06 Oct 2019 12:01:11 +0000 https://forums.botanicalgarden.ubc.ca/threads/anybody-seeing-any-early-colour-change.96526/ https://forums.botanicalgarden.ubc.ca/threads/anybody-seeing-any-early-colour-change.96526/ invalid@example.com (Luke’s Maples) Luke’s Maples
I will try and take some more pics tomorrow.]]> 3 Plant ID question Evergreen Perennial? Sat, 05 Oct 2019 22:05:08 +0000 https://forums.botanicalgarden.ubc.ca/threads/plant-id-question-evergreen-perennial.96546/ https://forums.botanicalgarden.ubc.ca/threads/plant-id-question-evergreen-perennial.96546/ invalid@example.com (SusieS) SusieS 2 SOLVED: Disease on Garry oak Seedlings Sat, 05 Oct 2019 14:59:34 +0000 https://forums.botanicalgarden.ubc.ca/threads/solved-disease-on-garry-oak-seedlings.93566/ https://forums.botanicalgarden.ubc.ca/threads/solved-disease-on-garry-oak-seedlings.93566/ invalid@example.com (mcroteau1969) mcroteau1969 CFIA information sheet I don't see Quercus garryana listed as a host (although the sheet does say "all species and varieties of oak".

Is this indeed oak wilt?...

SOLVED: Disease on Garry oak Seedlings]]> 9 Not sure how to deal with this Sat, 05 Oct 2019 13:03:16 +0000 https://forums.botanicalgarden.ubc.ca/threads/not-sure-how-to-deal-with-this.96543/ https://forums.botanicalgarden.ubc.ca/threads/not-sure-how-to-deal-with-this.96543/ invalid@example.com (Oliver - HappyGrün) Oliver - HappyGrün I have a problem with a couple of Ficus Benjamina plants. They have small white dots on it’s leaves. I already treated them with insecticidal soap/alcohol mix. I have a hard time washing/rinsing them off, but can rub it off with a rag. One friend told me that he thinks it could be from the chloride in the y, and another friend told me that he thinks it’s a fungus.

Any suggestions?

Thanks]]> 4 Black bark on bihou Sat, 05 Oct 2019 11:18:00 +0000 https://forums.botanicalgarden.ubc.ca/threads/black-bark-on-bihou.96499/ https://forums.botanicalgarden.ubc.ca/threads/black-bark-on-bihou.96499/ invalid@example.com (Pd245) Pd245 6 October 2019 - well sure, there's colour Fri, 04 Oct 2019 23:45:06 +0000 https://forums.botanicalgarden.ubc.ca/threads/october-2019-well-sure-theres-colour.96537/ https://forums.botanicalgarden.ubc.ca/threads/october-2019-well-sure-theres-colour.96537/ invalid@example.com (wcutler) wcutler October 2019 in the Garden | UBC Botanical Garden), there is still colour around the garden, both flowers and fruits. The entrance plaza, for instance, is featuring Hot red right now, three with names beginning with "H". Hesperantha coccinea is still very showy. This is the third month I've posted it, but I see back in 2011 that I even posted it in...

October 2019 - well sure, there's colour]]> 6 Aspen leaves bigger on new growth? Fri, 04 Oct 2019 23:18:18 +0000 https://forums.botanicalgarden.ubc.ca/threads/aspen-leaves-bigger-on-new-growth.96512/ https://forums.botanicalgarden.ubc.ca/threads/aspen-leaves-bigger-on-new-growth.96512/ invalid@example.com (Georgia Strait) Georgia Strait
And what I see now is the new growth over the summer (approx 6 feet tall twigs on top of existing former growth) has much larger leaves than the typical silver dollar size quaking aspen fluttery Leaves

I also notice some volunteer young aspen nearby - they also have the really...

Aspen leaves bigger on new growth?]]> 9 Cedar hedge idea Fri, 04 Oct 2019 19:08:57 +0000 https://forums.botanicalgarden.ubc.ca/threads/cedar-hedge-idea.96542/ https://forums.botanicalgarden.ubc.ca/threads/cedar-hedge-idea.96542/ invalid@example.com (Georgia Strait) Georgia Strait
I observed this attractive one in a mixed condo / commercial parking area recently at the coast Greater Vanc in a sunny location

I estimate that the lower section consists of 2 plants

Which are currently approx 8 feet total width and maybe 6 feet tall and approx 2 feet deep

The tall accent cedar is same depth obviously - maybe 8 feet tall

To summarize - a cedar has been planted approx every ... linear feet in a pattern like A B B A B...

Cedar hedge idea]]> 2 Removing a Yucca Fri, 04 Oct 2019 17:38:23 +0000 https://forums.botanicalgarden.ubc.ca/threads/removing-a-yucca.96541/ https://forums.botanicalgarden.ubc.ca/threads/removing-a-yucca.96541/ invalid@example.com (Margot) Margot
One plant is growing in an area where they hope to make a patio with concrete pavers but are worried that it may damaged.]]> 1 Blackened Aspen Leaves / factors that affect leaf color changes Fri, 04 Oct 2019 16:20:46 +0000 https://forums.botanicalgarden.ubc.ca/threads/blackened-aspen-leaves-factors-that-affect-leaf-color-changes.96531/ https://forums.botanicalgarden.ubc.ca/threads/blackened-aspen-leaves-factors-that-affect-leaf-color-changes.96531/ invalid@example.com (dustie) dustie Is there a good source written in layman's terms in which to read about the factors involved in the changes?

I have found some articles mentioning Marssonina and Septoria fungi affecting aspen leaves. It seems that they are just addressing the blackening and premature dropping of leaves from planted/transplanted trees in landscaping situations, and means of addressing that....

Blackened Aspen Leaves / factors that affect leaf color changes]]> 6 Protea Fri, 04 Oct 2019 13:01:58 +0000 https://forums.botanicalgarden.ubc.ca/threads/protea.84065/ https://forums.botanicalgarden.ubc.ca/threads/protea.84065/ invalid@example.com (dougjardine) dougjardine 1 Red to Green: the evolution of a city's abandoned acres Fri, 04 Oct 2019 06:56:40 +0000 https://forums.botanicalgarden.ubc.ca/threads/red-to-green-the-evolution-of-a-citys-abandoned-acres.96540/ https://forums.botanicalgarden.ubc.ca/threads/red-to-green-the-evolution-of-a-citys-abandoned-acres.96540/ invalid@example.com (wcutler) wcutler Red to Green: The stark evolution of a city’s abandoned acres

In the decade city leaders have spent deciding what to do with it, Christchurch's red zone has found its own path. The result is a rare insight into how life moves on after humans have left.
...
The liquefaction seen in Christchurch is...​

Red to Green: the evolution of a city's abandoned acres]]>