Profile
Tiger NutCyperus esculentus
Tiger nut is an unusual sedge prized for its nutty-sweet root tubers. In Central Europe, it is mostly cultivated as an annual, as it requires significant warmth to reach its full potential. The plants form dense, grass-like clumps that are ideal for container gardening on sunny balconies.

Quick profile
Key data
Planting
May, Jun
Harvest
Oct, Nov
Water
medium
Growing data
Tiger Nut Growing data
Seed depth
2 - 5 cm
Plant spacing
25 - 35 cm
Row spacing
30 - 45 cm
Germination temp
15 - 25 °C
Sowing and germination
Planting and spacing
Temperature and site
Water, nutrients and care
Container, support and growth
Year plan
Tiger Nut Calendar
Indoor sowing
Pre-cultivation in pots accelerates the development of heat-loving tubers.
Direct sowing
Direct sowing only after the last frost once the soil has warmed up sufficiently.
Planting
Planting out pre-cultivated seedlings mid to late May.
Harvest
Harvest when the foliage withers and turns brown.
Year plan
- Pre-cultivation
- Planting out
- Main harvest
Growing
Tiger Nut Site, soil and care
Spacing
25 - 35 cm
Storage
Storage conditions: Dry, cool, and dark., Storage temperature c: 10
- Title: Harvest Tip, Text: Use a fine-mesh sieve to sift the small tubers out of the soil.
Pruning
Tiger Nut Pruning
herbaceous_management
Goal
herbaceous_management
Pruning timing
autumn
Harvest preparation Only remove foliage once it has completely withered to ensure maximum nutrient storage in the tubers.
Remove
- Dried foliage in late autumn
- Dead leaf tips during the season
Preserve
Green, active foliage for photosynthesis and tuber formation
Avoid
- Pruning during the main growth phase in summer
- Damaging rhizomes while weeding
Tools and hygiene
Use clean pruning shears for removing residual foliage to prevent disease transmission.
Companion guide
Tiger Nut Companion guide
Health
Pests, Diseases
Plant health
FAQ
Are tiger nuts hardy in Germany?
Usually not. The foliage dies back with the first frost. Tubers may survive in mild areas but are typically replanted annually.
Related plants
Purple nutsedge
Closely related but often considered a weed.
Jerusalem artichoke
Both form edible root tubers.
Internal links
Related plants
Sources
Public sources
- Wikidata entity
Wikidata · 2026-05-13
- GBIF species match
GBIF · 2026-05-13
- Deutschsprachige Wikipedia: Erdmandel
Wikipedia · 2026-05-13
- English Wikipedia: Cyperus esculentus
Wikipedia · 2026-05-13
Details
More public plant data
Names
Common
Tiger Nut
Plural
Tiger Nuts
Scientific synonyms
- Cyperus tuberosus
- Cyperus repens
- Cyperus phymatodes
- Chlorocyperus aureus
Synonyms
- Earth Almond
- Chufa Sedge
- Yellow Nutgrass
- Yellow Nutsedge
Common synonyms
- Earth Almond
- Chufa Sedge
- Yellow Nutgrass
Regional names
- Watergrass
- Galingale
Historical names
- Earthnut
Trade names
- Chufa
- Tiger Nuts
Market names
- Tiger Nuts
- Chufas
Misspellings
- Cyperus esculantis
International names
Fr
- Amande de terre
- Souchet comestible
Es
- Chufa
- Almendra de tierra
It
- Mandorla di terra
- Zigolo dolce
Ambiguous names
- NameErdnussLanguagede
Shared with
- Arachis hypogaea
Clarification
Not to be confused with the peanut (Arachis hypogaea).
Search terms
- Tiger Nut
- Cyperus esculentus
- Earth Almond
Taxonomy
Clades
- Tracheophyta
- Angiosperms
- Monocots
- Commelinids
Family
Sedges
Related crops
- Cyperus papyrus
- Cyperus rotundus
Classification
Edible parts
- Tubers
Calendar
Sowing indoor
Months
- 3
- 4
Notes
Pre-cultivation in pots accelerates the development of heat-loving tubers.
Sowing outdoor
Months
- 5
Notes
Direct sowing only after the last frost once the soil has warmed up sufficiently.
Planting out
Months
- 5
- 6
Notes
Planting out pre-cultivated seedlings mid to late May.
Harvest
Months
- 10
- 11
Notes
Harvest when the foliage withers and turns brown.
Month tasks
3
Start pre-cultivation indoors
5
Planting out in the garden
7
Water regularly and remove weeds
10
Start harvesting after first frost or wilting
Month tasks structured
3
- Tasksowing
Label
Pre-cultivation
PrioritymediumMonths
- 3
- 4
Notes
Soak tubers in water for 24 hours before planting.
5
- Taskplanting
Label
Planting out
PriorityhighMonths
- 5
Notes
Maintain a spacing of 30 cm.
10
- Taskharvesting
Label
Main harvest
PriorityhighMonths
- 10
- 11
Notes
Carefully sift the tubers out of the soil.
Book content
Overview
Tiger nut is an unusual sedge prized for its nutty-sweet root tubers. In Central Europe, it is mostly cultivated as an annual, as it requires significant warmth to reach its full potential. The plants form dense, grass-like clumps that are ideal for container gardening on sunny balconies.
Structured month tasks
4
- Taskpreparation
Label
Bed preparation
PrioritymediumMonths
- 4
Notes
Enrich light, sandy soil with compost.
6
- Taskmaintenance
Label
Earthing up
PrioritylowMonths
- 6
- 7
Notes
Slight earthing up can encourage yield.
Cultivation specs
Seed
Spacing
Spacing notes
Plants spread in a clump-forming manner.
Growth dimensions
Final size notes
Grass-like growth, forms underground runners with tubers.
Temperature
Temperature notes
Originates from warm regions; frost kills the above-ground foliage.
Water
Critical water phases
- Tuber formation in late summer
Water notes
Consistent moisture promotes tuber development, avoid waterlogging.
Nutrition
Nutrition notes
Potassium-heavy fertilization supports tuber ripening.
Container
Container notes
Excellent for containers; facilitates harvesting by tipping out.
Support
Support notes
Stable, upright growing sedge.
Cultivation modes
Yield density
Yield notes
Yield depends heavily on summer warmth.
Site
Site notes
Prefers full sun, warm and sheltered locations.
Soil
Soil notes
Light, sandy soils are ideal for tuber development and easy harvesting.
Watering
Watering notes
Water regularly during dry spells to ensure tuber formation is not interrupted.
Nutrition
Nutrition notes
Incorporate well-rotted compost at planting; excessive nitrogen only promotes foliage.
Cultivation planning
Succession sowing
Bed planning notes
Can become invasive if tubers remain in the ground; in cool regions usually limited by frost.
Crop rotation
Preceding crops
- Legumes
- Early radishes
- Lettuce
Following crops
- Light feeders
- Green manure
Notes
Since tiger nuts are harvested late, following crops are usually planted the next spring.
Deficiencies
Nitrogen
Pale, light green foliage; stunted growth.
Potassium
Poor tuber formation, weak cell structure.
Problems
Weed competition
Tiger nuts grow slowly initially and are easily suppressed by weeds.
Invasiveness
Remaining tubers may sprout unintentionally the following year.
Problem management
Common pest groups
- Rodents
Common disease groups
- Fungal diseases (if too wet)
Prevention principles
- Strictly avoid waterlogging.
- Regular weeding during the early stages.
- Use of wire baskets against voles.
Diagnosis notes
Wilting leaves despite moist soil often indicate root problems or pests attacking the tubers.
Disease graph
Profiles
- SlugrhizoctoniaSeveritymedium
Conditions
- Cool, very wet weather
- Compacted soil
Affected parts
- Roots
- Tubers
Prevention
- Improve soil aeration
- Observe crop rotation
Organic control
- Remove affected plants
- Loosen soil
Diagnostic rules
Symptom
Yellow leaf tips
Possible causes
- waterlogging
- nutrient_deficiency
First checks
- Check soil moisture
- Review fertilization
Prevention strategy
Cultural
- Ridge cultivation for better drainage
- Pre-cultivation for strengthening
Monitoring
- Check for vole tunnels from August onwards
Organic first response
- Reduce watering
- Remove weeds mechanically
Notes
Tiger nuts are generally very robust and not very susceptible to diseases.
Diagnosis
Leaf yellowing
Often a sign of nitrogen deficiency or overly wet conditions.
Stunted growth
Usually due to lack of light or temperatures being too low.
Phenology
Stages
- Tuber germination
- Vegetative growth of grass-like foliage
- Stolon formation (rhizomes)
- Formation of new daughter tubers at rhizome ends
- Flowering (rare in Central Europe)
- Senescence and yellowing of foliage in autumn
Notes
In Central Europe, the growth cycle is usually terminated by the first frosts before the plant can fully mature.
Flowering pollination
Flowering period
Months
- 7
- 8
- 9
Notes
Rarely flowers in cooler regions; propagation occurs primarily vegetatively via tubers.
Flower description
Inconspicuous, yellowish-brown spikelets in a terminal umbel.
Harvest
Harvest period
Months
- 10
- 11
Notes
Harvesting occurs after the first frost or when the foliage has turned completely brown.
Yield estimate
Up to 500g per plant under ideal conditions.
Harvest details
Harvest frequency
Single main harvest at the end of the season.
Harvest indicators
- Foliage is completely withered and brown
- Tubers have developed their typical brown, wrinkled skin
- First frost has stopped growth
Post harvest handling
Wash tubers thoroughly, remove root remains, and dry in an airy spot until they become hard.
Storage
Storage conditions
Dry, cool, and dark.
Storage details
General storage category
Dry storage
Storage life
Up to 2 years when dried.
Processing options
- Drying
- Milling into flour
- Roasting
- Pickling
Processing use
Preparation steps
- Soak for 12-24 hours before consumption (if dried)
- Clean with a brush
Kitchen usage
Culinary applications
- Raw as a snack
- Base for Horchata de Chufa (tiger nut milk)
- Ingredient in muesli or yogurt
- Gluten-free baking flour
Flavor profile
Sweet, nutty, reminiscent of almonds or hazelnuts.
Safety and edibility
Edible parts
- Underground tubers
Inedible or caution parts
- Green foliage (very fibrous and sharp-edged)
Toxicity notes
No known toxicity; safe for human consumption.
Raw consumption
Edible raw, but very hard when dried (soaking recommended).
Seed saving
Strategy
Maintenance by overwintering tubers.
Selection criteria
- Select largest and healthiest tubers
- No signs of rot
Seed saving advanced
Storage method
Store tubers in slightly damp sand in a frost-free cellar.
Viability check
Tubers should be firm and not give way under pressure.
Varieties
- Slugchufa-de-valenciaNameChufa de Valencia
Description
Traditional Spanish variety, known for high oil content and sweet flavor; ideal for Horchata.
- Slugblack-tigerNameBlack Tiger
Description
Dark-skinned selection, often slightly larger and with an intense, nutty aroma.
Woody crop details
Notes
As a herbaceous sedge, tiger nut requires no grafting or woody pruning.
Ecology
Biodiversity notes
Provides little benefit for pollinators but can offer cover for small ground-dwelling organisms.
Practical notes
Title
Harvest Tip
Text
Use a fine-mesh sieve to sift the small tubers out of the soil.
Seasonal content
Spring
Time for pre-cultivation on the windowsill.
Autumn
After the first frost, the big sifting begins.



