Juglans regia
Walnoot, Okkernoot, notelaar / Walnut, English walnut, Persian Walnut
Juglandaceae (Okkernootfamilie)Asia (whole), Europe (whole), Europe (south)
Edible plant part (3)
Fruits,
nuts,
sap
Read 'form of consumption' for safe preparation methods
Toxic plant part (1)
None
Walnut, English walnut, Persian Walnut belongs to the small trees-large shrubs in the food forest. In the process of ecological succession it is a late species. The growth rate is fast. After 18 to 30 years this species is fully grownand has an average height of 6 to 25 meter. and a width of 6 to 15 meter.
The foliage (or leaf cover) is half-open. The Walnut, English walnut, Persian Walnut is decidious. It buds in april and it loses its leaves in november.
This species forms a heart-shaped deep root system. This species is slightly spreading in the food forest. Walnut, English walnut, Persian Walnut is no nitrogen fixer.
foto: Kruczy89, https://commons.wikimedia.org/wiki/File:Juglans_regia_-_male_inflorescences.jpg
foto: Kruczy89, https://commons.wikimedia.org/wiki/File:Juglans_regia_-_male_inflorescences.jpg
foto: Andreas Rockstein, https://www.flickr.com/photos/74738817@N07/42093212714
foto: Böhringer Friedrich, https://en.m.wikipedia.org/wiki/File:Juglans_regia_Echte_Walnussfrucht_3.jpg
Growth factors
- Frost (whole plant)
-
very strong frost
cold frost
mild frost
light frost
no frost
- Frost (flowers)
-
very strong frost
cold frost
mild frost
light frost
no frost
- Light
-
full sun
light shade
half shade
fairly deep shade
deep shade
- Wind
-
strong sea wind
strong wind
some wind
sheltered
very sheltered
- Soil texture
-
sand
loam
light clay
heavy clay
peat
- Soil moisture
-
inundation
wet
moist
dry
drought
- Groundwater level
-
very low
low
medium
high
very high
- Soil acidity
-
very acid
acid
neutral
alkaline
very alkaline
- Soil fertility
-
very rich
rich
average
poor
very poor
Flowering and pollination
- Flowering period (peak)
- early june, end of june
- Flowering period (length)
- month, several weeks
- Pollination vector
- wind
- Plant reproductive fertility
- self sterile, self-fertile (sf)
- Maximum distance for cross pollination
- 50 - 100 metre
Life Span and Plant Health
Disease susceptibility
sensitiveMain serious pests and diseases
squirrels, crow speciesHarvest and Consumption
Fruits
Nuts
Sap
- Harvesting period - length
- Month
- Suitable markets
- Niche
- Harvest location edible part
- Ground layer
- Harvesting period - start
- Early october
- Harvesting period - length
- Several weeks
- Harvesting period - recognition
- Easy, dropping
- Harvesting period - uniformity
- Medium
- Suitable harvesting methods
- Hand, mechanical, simple tool
- Form of consumption
- Fresh, processed
- Natural storability
- Year
- Suitable markets
- Bulk, niche
- Productive life span - start (year) - minimum
- 4
- Productive life span - start (year) - minimum
- 5
- Productive life span - start (year) - maximum
- 5
- Productive life span - peak (year) - minimum
- 20
- Productive life span - peak (year) - maximum
- 25
- Productive life span - peak (year) - maximum
- 150
- Productive life span - end (year) - maximum
- 250
- Productivity - start (kg) - minimum
- 2
- Productivity - start (kg) - maximum
- 5
- Productivity - peak (kg) - minimum
- 50
- Productivity - peak (kg) - maximum
- 75
- Suitable harvesting methods
- Hand
- Form of consumption
- Fresh
- Natural storability
- Year
- Productive life span - start (year) - minimum
- 2
- Productive life span - start (year) - maximum
- 5