Fruit trees are an investment into the future; generally, it takes three years or more, before you get into any production;
and even then, it's "you vs. the critters".
The only way to camouflage fruit trees is either grape vines, poison ivy, or kudzu; all of these will reduce production or lead to killing the tree.
That is Not at all practical.
We associate vegetables with color that we are used to..
Change the color, and people become oblivious. Also, certain colors are higher in anti-oxidents and beta carotenes: such as purple, black, gold, bright yellow
That is why I would suggest black, or deep purple colored fruit/vegetables : black Krim tomatoes, Cherokee Black
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Well , you asked or it - here are some sources and photos of what might be in a "Guerilla Garden" , the last source is dated (2008)
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10 Strange & Unusual Fruits & Veggies (with photos)
http://www.veggiegardener.com/10-strange-unusual-fruits-veggies/
Okinawan Purple Sweet Potato (purple interior veggie)
Romanescu or Romanesco-Veronica, broccoli {cole family-Italy} (cone shaped broccoli)
Durian ( thorny husk, asian fruit)
Pitaya or Dragon Fruit {Asian}(red scales over a sweet fruit)
Salsify or Goatsbeard (root tastes like oyster-light fish flavor)
PawPaw (largest edible fruit in America- sustained lewis and Clark expedition)
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Grow your usual vegetables in unusual colours!
http://grow-vegetables-at-home.com/allotment-gardening/grow-your-usual-vegetables-in-unusual-colours/
Deep Purple (F1) Carrots (all purple)
Purple haze (F1) Carrots (purple exterior, organge center)
Yellowstone - pale yellow Carrots (healthy eyes,prevent macular degeneration,cancer fighter, eases astherosclerosis(hardening of the arteries)
Black Knight -carrots (reduce LDL (bad cholesterols) Red Carrots - pink interior (reduce macular degeneration,reduce heart disease, prostate cancer)
Purple Cauliflowers- Purple Graffiti (F1) flowering purple/ color may bleed
French Beans
Golden Gate - climber (heavy crop white beans, long season cropping)
Borlotto Firetongue - french dwarf, red and white pod
Valdor - dwarf(yellow pod, long cropping, virus resistance)
Beetroot
- Albina Ice (all white, no bleed)
Leaf Beet - Bright Lights - multi colored stems, leaf is savoy, lighter than chard, each color has unique flavor.
#1) Beetroot -Beetroot are known to boost the bodies immune system, and have roots rich in potassium and folate, plus vitamin C. The tops are high in beta carotene, iron and calcium.
#2)Boiling beetroot can actually increase the nutrient value whereas pickling will reduce it.
Brussel Sprouts
Falstaff (purple- longer growing season, nuttier flavor than green, greater color intesity after frost)
Tozer Selection (Crimson red in winter, nuttier flaovr after frost)
Courgettes (Zucchini)
San Pasquale (dark green with light green stripes)
Radish
Nero Tondo Black Spanish Radish (hierloom, black exterior ,white interior, globe shape 3 - 4 inches across, slight peppery taste, milder as it gets older)
Radish Daikon Mino Early Japanese White Radish or Mooli (white, crisp, mild pungency)
White Icicle AKA White Naples (heirloom, crisp, white flesh, length 6 inches in loose soft soil
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Unusual Vegetables Varieties
http://www.gardendesk.com/unusual-vegetable-varieties/
Black tomatoes - Black Krim (with photo alongside red tomatoes -
http://www.gardendesk.com/2007/08/more-black-krims-and-more-watering.html)
White Tomesol - (available Baker Seed or Amishland HEIRLOOM Seed - all white tomato)
From the Website, Quote "ALL HEIRLOOMS"(dated 2008):
http://www.gardendesk.com/2008/02/heirloom-tomatoes-for-2008.html
So to recap, my complete 2008 Tomato Heirloom Team is:
Red:
Brandywine
Principe Borghese - best for sun-dried
Pink: Caspian Pink
Purple/Black:
Prudens Purple
Black Krim
Black Cherry
Yellow:
Dixie Golden Giant
Egg Yolk
Green:
Green Zebra
Green Moldovan
Aunt Ruby's German Green
Aunt Ruby's German Cherry
Orange:
Kellogg's Breakfast
Kentucky Beefsteak
White:
Great White
White Tomesol
Wow! That is quite a list isn't it?
A rainbow of delicious and interesting heirloom tomato excellence! "(2008)
TIK - if I lived near you there’s nothing I would enjoy more than cooperative work on guerilla garden. I greatly admire seeing some work that has been done in inner cities toward using vacant spaces toward food production. At risk of breaking thread politics rules I must say this. Typically the politics of the folks doing those project ticks me off. This goes a good length toward me keeping Christian thoughts about those folks but it also motivates me as a Christian. Until the social welfare system kicked in feeding the hungry was a responsibility and we as Christians have forgotten we need to do that. I am very proud of a good friend of mine in the next county who brought this up to her church elders. Their church sits on 3 acres and is now up and going as a community garden.
Knowing your new situation, with the limited garden space, I might suggest approaching a house of worship of your choice that has some soil available to use. Even though that dirt would not be as secret, there might also be good connections for forming a like-minded prepping community.
Interesting list. I have planted Rosa Rugosa for Rose hips, various types of edible violas, and various herbs. We leave a lot of edible weeds in the yard like dandelions, and the medicinal too.
One of the most recent edibles is the Passion Flower - a native plant. We found one growing, took the fruits and planted them around various places. It’s growing like gang busters.
Leaves can be boiled, drained and stir fried or dried and used for tea-helps fight insomnia. Flowers are also edible, I think. The fruit is a citrus flavor - I used it and added club soda for an interesting soft drink.
PawPaw (largest edible fruit in America- sustained lewis and Clark expedition)
Ground cherries might be a possibility, too. Less if you’re in an area where people are used to tomatillos, but I grow ground cherries and while they’re pretty in their own way, the immediate reaction I get to seeing one is “weed”, not “food”.