Please Help - Which Rare Fruits to grow in Giant Coldhouse in Germany (USDA Zone 8a)

This is just a draft. I will include your comments in the description and develop it to serve as a guide for other coldhouses in similar climates.


A coldhouse is not a cold house but a greenhouse without heating. Here it is a former heated greenhouse with single layer glass. It is on an open field without much additional protection in USDA zone 7b-8a.

Measures planned for improved heat retention:
-plant trees around greenhouse
-pond in greenhouse
-el heater on coldest nights
-water in barrels or hoses
-rocks
-wood stove
-dry leaves
-rotting plant matter for heat
-metal pipes in the ground for geothermal energy

Plese give well researched answers suited for the greenhouse. "grow durian there" is not a well researched answer.

ALREADY GROWING

OUTDOORS

Musa basjoo
kiwiberries
pears
cherries
walnuts
figs
yucca

INDOORS (yeah, i know, they planted many hardy things in the greenhouse because of space and also different ripening time)

Musa sikkimensis red tiger

olive

raspberries

bay leaf

kiwiberries

blue honeysuckle

melons

cucumbers

parsley

mint

jerusalem artichoke

avocado



IN POTS

jujube

Citrus rootstock

Citrus seedling

yakon




ORDERED

dwarf palm

Musella lasiocarpa

Ensete maurelii

Passiflora mollissima

Passiflora div hybrids

mountain papaya

strawberry guava red, orange, yellow

lemon guava

pomegrenades

raspberries

carob

yuzu

ichang papeda

kumquat

akebi

wild pistaccio

PLANNED (i know some are utopic/not hardy enough but a man can dream, right?)

OUTDOORS



pistaccio

almonds

Holboellia div sp

Kadsura div sp

Akebia div sp

Shisandra

aprikira

aprisali

sekerpare

pineberry

oca



INDOORS

del rio avocado -18C

Annona rugosa

Musa Helen's hybrid

dwarf namwah -6

Musa balbisiana

Musa velutina -15C

Musa yunnanensis

Musa dai giant (M. griersonii)

Musa yangtze

Musa itinerans var xsichuangbannensis




Daijao banana (sikkimensis x balbisiana)

Kunzea pomifera -7C

Duguetia

early or prague satsuma

Psidium longipetiolatum

meyer lemon

kei apple

dune soapberry

dwarf orinoco/dwarf namwah

black Eugenia repanda -6C

Myricaria pungens -10C

Campomanesia guazumifolia lhardy like feijoa

Casimiroa pringlei 7F

buah kemunting

buah mata ayam

Linospadix monostachyos

Jubaea chilensis -114C

mule palm

Eugenia div sp (give ideas)

kadsura div hybrids

hardy tamarillo

loquat

Sapotes (ideas for hardy ones?)

Bananas (give ideas?)

Citrus (ideas?)

Edible passion fruit (i?)

jelly palm

date palm

eggfruit

coffee

tea

Gevuina avallana

baobab (too cold)

kwai muk (too cold)

carissa

Prunus salicifolia

Pouteria torta/hyloglauca

Mexico avocado

Citrus aurantium

Opuntia engelmannii

Thomasville citrangequat

diverse cacti

apple cactus

Hovenia dulcis

Eleagnus div sp

Debregeasia

Ugni molinae

che fruit

lemon

orange

mandarine

white sapote

texas persimmon

Plinia sp

lychee tomato

lychee

kangoroo apple

div Solanum

guava

strawberry tree hybrids

Arbutus canariensis

long mulberry

Citrus triptera

Ensete ventricosum

altaibeere

aromabeere

stauntonia div sp

yangmei

luffa

Lepidium mayenii

uzbek pistaccio

tiger melon

mini watermelon yellow/orange

jal tomato

sternkirsche

sunberry

white tamarillo

div Physalis

pistaccio

wampee

Clausena macrocarpa

Citrus:

Sudachi

Rangpur Lime

jiouyuezao

changsha mandarin

desert lime Citrus glauca

citrandarin

citrange

citrumelo

pawlowskoe lemon

kabosu

schuangiuan

satsuma

calamondin

chinotto

lilly pilly

jaboticaba

yellow jaboticaba

fingersop

Eugenia involucrata

macadamia

tamarind

Cereus repandus -8C

maybe jackfruit

white sapote

grumichama

Eugenia uniflora black

ubajay 15°F

canistel trompo

green sapote

pouteria hypoglauca

Annona rugulosa

cherimoya, atemoya, custard apple, soursop

Exoteninsel: looooots of rare seeds/plants

Eugenia pyriformis

Livistona nitida

maracuya

cassabanana

Livistonia jenkinsiana

Myrcianthes pungens


IN POTS

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