5
votes
Accepted
How do you grow a plant not in your hardiness zone?
Growing plants in different climate zones can be a challenge. For people in warm climates. The first thing you need to do is make a plan. And research the climate your plant grows in likes. At our ...
- 586
5
votes
How low of temperature can hot pepper plants tolerate?
They should be fine as long as it doesn't actually freeze. I grow them in Montana and they are very susceptible to frost, but only if it actually frosts. If the peppers are touched by frost, they get ...
- 51
5
votes
Accepted
Why don't people cultivate sarana (Kamchatka Lily)?
Assuming, we stick with Lilium medeoloides as the species in question, yes it is "readily grown" according to one supplier and suppliers do exist (in the UK at least). The difficulty I could see is ...
- 2,295
4
votes
Why don't people cultivate sarana (Kamchatka Lily)?
Gardeners are very utilitarian people. We like to see a good return for the effort expended, and we look after our needs before our wants. The staples such as beans and potatoes and corn produce well ...
- 21.2k
4
votes
Can I grow a fall-winter flowering witch hazel bush in Zone 6?
Should be fine where you are, provided you don't plant it somewhere that dries out frequently. It likes reasonably moist, well drained soil, and tends to flower better in sun than shade. Flowering is ...
- 135k
4
votes
Accepted
How to protect pea plants from cold?
I live in Wisconsin, where we also plant when the temps can get below freezing, and I think that you're right to be concerned - 9 F is awfully cold for your plants—according to this sustainable ...
- 20.4k
3
votes
Accepted
Cold Weather Trees with Buttress Roots?
The Dawn Redwood (Metasequoia glyptostroboides) has buttress roots, and can survive in USDA zones 4-8.
(image source)
(image source)
- 2,310
3
votes
Why don't people cultivate sarana (Kamchatka Lily)?
I agree that Kamchatka lily is Fritillaria camschatcensis - assuming that's the plant you mean, it requires acid, humus rich soil that is well drained but never dries out, and relatively shady ...
- 135k
3
votes
How to safely keep plants in greenhouse at low temperatures
I have gardened for years,too many to count. The most success I have had has been to keep the greenhouse area above 10 celcius at night, water your plants so they do not take up all the moisture when ...
- 31
3
votes
Accepted
Building Gothic High Tunnel (Elliot Coleman style) in Alaska
There is 28 pages of guidance with many images at Building the Gothic Modular Moveable Tunnel Designed By Eliot Coleman at Four Season Farm courtesy of Johnny’s Selected Seeds. It is both copyrighted ...
- 96
2
votes
Can I grow a fall-winter flowering witch hazel bush in Zone 6?
As general way to get an answer (but not really an answer).
Botanical gardens or some good public gardens can give you a lot of ideas. Usually they have also some flowers for winter, and usually also ...
- 14.7k
2
votes
Will the worm population in my raised beds be OK during cold or hot weather?
You'll be fine Kavi! 3' deep beds? What did you use for their structure? Bigger question is; are your beds connected to the original soil? Did you break up the surface of this soil before back ...
- 40.5k
2
votes
Upright shrub/small tree recommendations for south facing house in zone 3 climate
I can recommend a few shrubs, most of which are relatively tall for anything close to a house:
Any of the ninebarks (Physocarpus opulifolius). These include the cultivars Summer Wine, Diabolo, Little ...
- 20.4k
2
votes
Upright shrub/small tree recommendations for south facing house in zone 3 climate
You might be interested in a publication (#1286) by the Research Branch of the Canada Dept of Agriculture compiled by Sherk and Buckley "Ornamental Shrubs for Canada" 1968. It has a list of shrubs of ...
- 21.2k
2
votes
Accepted
Caffeine containing plants that will grow in Germany's climate
Here's one alternative for you:
Yaupon (Ilex vomitoria). It's native to the southeastern US (lowest temperature it should survive at is -17 C). According to this map, Yaupon should survive in most of ...
- 20.4k
2
votes
Are azalea plants dead when the leaves turn brown?
Mid November; I estimate roughly a 40 % loss of azalea foliage. The loss is spread over dead bushes, dead branches (starting from the ground) and dead twigs. Recovery growth during the summer was not ...
- 8,784
2
votes
Accepted
What are hazards of cold weather and frost to tree seeds and seedlings in northern nursery?
I've worked in a couple of zone 4 plant nurseries, and we stored all of our perennials, shrubs and trees outside through the winter. To do this, we stacked the pots at a 45 degree angle. We used ...
- 20.4k
2
votes
How low of temperature can hot pepper plants tolerate?
It depends on how much of a risk-taker you are. Temperature for the weather is taken in the air (rather than ground level). It can be colder on the ground, which is why it can frost when it's up to 41°...
- 18.5k
2
votes
Accepted
Can I move a flat of Spotted Dead Nettle outside in cold temperatures?
No, you would need to harden them off first. The plants inside are accustomed to warmer conditions, and will not respond well to being placed outdoors in much colder conditions; your existing ...
- 135k
2
votes
Accepted
Will cold weather hurt tomato yields this summer?
While things might be better if you had been able to offer them some protection, in general if they survive, they are already at least a week ahead on dealing with transplant shock, etcetera; .vs. new ...
- 25.7k
1
vote
How do cold protection measures work in the cold season (fleece, buble wrap, cold greenhouse, ...)
According to the US Dept of Agriculture, Aloe vera does not do well in temperatures below +7 C, so given that you're in an area with minimum low temperatures from -10 to -12 deg C, the Aloe vera will ...
- 20.4k
1
vote
Accepted
How do cold protection measures work in the cold season (fleece, buble wrap, cold greenhouse, ...)
A balcony with pots is going to be very difficult to protect from cold. I think the primary aim is to delay cold penetration. So ,when the day temperature is + 10 C , and the night is - 5 C , your ...
- 8,784
1
vote
Upright shrub/small tree recommendations for south facing house in zone 3 climate
I have seen red twig dog wood growing well north of Edmonton ; very red bark . And spruces ( Alberta, white and black). And a white barked birch but I don't know which one. As I remember , mountain ...
- 8,784
1
vote
How good are seedlings at bouncing back after cold weather?
Young okra can be damaged by non-freezing cold temperatures, much as watermelon. However, it's not a sure thing that only a few days of cold will kill them (it might set them back and/or stunt them ...
- 18.5k
1
vote
Accepted
How good are seedlings at bouncing back after cold weather?
Fruiting garden plants:
If they survives, they will grow again. Just with more delay. Eventually you should remove existing fruits (or the next fruits). Often you can eat them (but not with standard ...
- 14.7k
1
vote
Will seed potatoes still produce potatoes if they are planted too early?
In their natural life cycle, the potatoes would have been in the ground all winter, and would start growing in spring when the soil temperature is right for them.
Unless they have been frozen and ...
- 11.5k
1
vote
Will seed potatoes still produce potatoes if they are planted too early?
Unless your containers are very small and the cold was very deep, there is a good chance that the potatoes will be fine. It takes a lot of cold to freeze a container entirely, and even then the ...
- 21.2k
1
vote
Accepted
Trees for southern Idaho/northern Utah mountain environment
To be successful you have to use nursery grown plants. During the winters you can dig up dormant aspens and conifers, plant in potting soil in pots, keep protected from the cold because they are now ...
- 40.5k
1
vote
Young saplings in winter temperatures periodically
Yes, it's perfectly normal. Be aware that a frost is not the same as a freeze, so a drop in temperature overnight sufficient to produce a frost does not mean everything is frozen, it depends how low ...
- 135k
1
vote
Building Gothic High Tunnel (Elliot Coleman style) in Alaska
I know this is an old post, but I never did follow up with a progress report. The greenhouse has been up since ~April 2017. Has seen many winters with many snowloads, and no issues with the plastic ...
- 183
Only top scored, non community-wiki answers of a minimum length are eligible