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Questions tagged [hardiness-zone]

For questions about the scale of climatic conditions relevant to plant growth and survival. Standards include USDA, Canada, Australia, Scandinavia, Baltics and more

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6 votes
1 answer
105 views

Understanding USDA Hardiness Zones and meaning of Frost Tender with respect of Zone 8

I live in Rural Auckland, and some early mornings in Winter the temperature drops to -4°C (although on a cloudy night temperatures above +4°C are more common). I would have thought that temperatures ...
3 votes
0 answers
58 views

What actually is the problem growing stone fruits into tropics?

I am experimenting to grow low-chill stone fruits namely peaches var."Florida Sun" and plums var. "Black Amber" into Zone 13 tropics. I know that they aren't recommended for Zone ...
3 votes
0 answers
26 views

Do the hardiness and heat zone scores mean just for outdoor planting? What if I am planting inside?

I live in Chicago and am interested in topiary. I looked up possible plants and one of the ones I read was good for topiary was rosemary. https://www.gardenia.net/plant/rosmarinus-officinalis-rosemary ...
1 vote
0 answers
40 views

Geotechnical Engineering Classification and Percolation

I plan a project that is 4’ below ground and it’s a safe diy, I plan to place 2500lb limestone blocks for seating and don’t want them to sink or flood in the 10x10x4 hole.. Our soil classification is ...
0 votes
1 answer
50 views

Can I get decent growth from turmeric doing no dig in USDA zone 4a?

I'm thinking about doing no dig turmeric in a wood chip bed that has moisture about 1 foot down, and was wondering if I should be successful growing turmeric growing in a wood chip bed I inoculated ...
2 votes
3 answers
136 views

Upright shrub/small tree recommendations for south facing house in zone 3 climate

South facing sites are difficult. Cold air, already not containing much moisture, is warmed and it's relative humidity drops even further. So evergreen needles/scales and tree buds dry out. The ...
1 vote
1 answer
167 views

Spring's Promise camellia, zone 6a?

Has anyone had success growing Spring's Promise camellia in a cold zone 6a climate?
0 votes
1 answer
81 views

Will "winterkill" crops reliably die in USDA zone 8?

I am in USDA zone 8 (specifically 8B, US Pacific Northwest region). I am looking to plant some cover crops (if it matters, specifically daikon radishes) over the winter with the idea that they will ...
3 votes
2 answers
415 views

What does the USDA zone range mean?

When buying plants I sometimes see info about the plants hardiness described as "Hardy in zones 3-8". From what I understand this means that the lowest temperature this plant can withstand is -40? But ...
6 votes
1 answer
2k views

What USDA zones can I grow Yacon in?

I heard about Yacón, a tuberous vegetable cultivated in the Andes, and was wondering if I can grow Yacón in Minnesota.
3 votes
2 answers
52 views

Growing fruit at a higher hardiness zone

I understand that growing fruit trees in a hardiness zone that's lower than recommended has a chance of your tree dying from frost damage. However, what is the effect of growing fruit trees at ...
1 vote
0 answers
23 views

What good smelling grass grows in USDA ZONE 4A?

My dad grew up in an area of Chicago, USA that a good smelling grass grew all over the yard (I think a lemon grass), and am wondering what would be a great idea to sneak into the yard to have a ...
6 votes
1 answer
89 views

How do you grow a plant not in your hardiness zone?

I understand that greenhouses are an option, this question is more towards being able to grow plants that normally prefer colder climates without having to spend loads of money on climate control. I ...
2 votes
1 answer
84 views

What mushrooms should I look into for growing in garden aisles?

I'm planning out my community garden plot this year, and am considering growing mushrooms where the walking paths will be, and was wondering what types of mushrooms I should look into mixing together ...
2 votes
0 answers
34 views

What are good pollinator flowers that you need to only seed once

What are some great pollinator flowers that I can seed once to regrow between having a herd on a couple times per year in zone 4?
6 votes
1 answer
107 views

Hardiness database [closed]

I'd like to buy a plot of land for trying to live off the grid. However I'm struggling to find what I can plant in certain regions. I'm in Europe and I need to check what I can plant in each region (...
4 votes
1 answer
50 views

Ideas for bushes or shrubs greater than 6 feet that will grow in partial shade against a building in Zone 2-3?

I have a narrow garden bed at the back of my carriage garage made out of retaining wall. It is directly against my building. I would like to find a bush, hedge or similar that will grow in this ...
4 votes
1 answer
63 views

ID please and hardiness zone

Please ID this succulent and its hardiness zone, I'd like to know if it can be left outdoor over winter in Zone 5 Canada. Both plants were planted at the same time 6 weeks ago with the inset picture ...
4 votes
1 answer
236 views

Can I grow lemon cucumbers in my area, Southeast VA, zone8? Pic incl'd

Lemon cucumbers: I found these on the Bonnie plants website, and usually there's info attached on where you can find a retailer that has them, but instead it had a disclaimer stating not all Bonnie ...
4 votes
2 answers
575 views

What's a good full-sun groundcover for Zone 6A?

I'm in Zone 6A, and I have some blueberries planted in a 16x45 or so open area that I need covered with some kind of covering. The situation is: It'd get nearly full sun (the first few hours of the ...
11 votes
2 answers
299 views

What does "hardiness zone" mean?

Several questions here refer to (hardiness) zone 6a, 7, 5-8, and others. What is a hardiness zone exactly? Is it determined only by the temperature (maximum, minimum) or are there other factors?
9 votes
2 answers
5k views

Are there any varieties of Elephant Ear that are hardy enough to withstand a zone 6b winter?

When I look at Elephant Ear varieties in plant catalogs, they all say Elephant Ears are hardy in zones 9-10, sometimes 7-10. But I see people in my area, zone 6b, growing them outdoors without winter ...
2 votes
1 answer
289 views

Are there maintenence free edible plants for sandy iron rich soil in harsh climate?

Are there any edible perennial plants that does not require much care and can grow in zone 4-5 in a very sandy and iron rich soil? It's in a spruce/pine forest with a lot of lingonberry and blueberry ...
3 votes
2 answers
434 views

Where can I grow yaupon holly?

I just heard about the yaupon holly, and would like to plant some. Where can I plant them to get my caffeine fix?
4 votes
1 answer
78 views

What is the difference in plants rated to 1 zone warmer than where they grow?

I keep hearing about things I want to grow being cold hardy to zone 5, but I live in zone 4, will I still be able to grow those plants?
0 votes
1 answer
184 views

Can "I" grow american beautyberry?

I just heard about the american beautyberry, and was wondering What zones can I grow it in? It sounds very intriguing, and would love to try having different foods for me to eat.
1 vote
1 answer
68 views

Where can I grow magenta spreen lambsquarters?

I just heard about the edible weed called magenta spreen lambsquarters, and was wondering where I can grow it for medicinal purposes.
4 votes
1 answer
2k views

Are eastern prickly pear cacti pads edible?

Are eastern prickly pear (Opuntia humifusa) cacti pads as edible as the kind you find in the grocery store (Opuntia ficus-indica)? I know the fruit is edible, if everything across the Internet I've ...
4 votes
1 answer
341 views

What zones can I grow Chinese Artichokes aka Crosne in?

I heard about Crosne from growing your greens, and thought I would try growing some, so I was wondering where/how I should grow them.
6 votes
2 answers
126 views

Auckland Rural Zone and Confusion about Frost Protection

The more I look into it, the more confused I'm getting about frost protection. Any advice to help me get a grip on the issue would be appreciated. I have a property in Dairy Flat, which is rural ...
5 votes
2 answers
213 views

Tips for planting out of the recommended zone

I'm a home-brewer living in zone 9 and I would like to grow my own hops. I've found a few varieties which list 9 as their maximum planting zone, but most of my favorites recommend no higher than 8. I ...
10 votes
2 answers
301 views

Do Pawpaws do well in common landscape settings in hardiness zones 6B?

I've seen wild pawpaw in VA, but never spent the time to investigate any special growing conditions. I'd love to plant them as an edge plant here in NY, but I've never seen them around here. I'm ...
3 votes
2 answers
224 views

Will my Black Bamboo survive winter outside, zone 6

I live in Louisville, KY. Zone 6. I have a newly planted baby black bamboo plant in a large pot. I'm curious if I don't bring it in in the winter if this will completely die out and I'll have to start ...
3 votes
2 answers
95 views

Why does my hardiness zone not match the historical weather?

I looked up my town on this website and it says that I'm in zone 9b (25F - 30F average minimum temperature). However, the historical data shows that the temperature never dropped below 41F in the ...