perma
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349 species
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Couve tronchuda

Plant·Brassica oleracea var. costata
Biennial
Part shade to full sun
Sun
Moist soil
Water
Well-drained soil
Drainage
Not recorded
Hardiness
Coverage · 100 fields
Inconsistencies · 0

No obvious inconsistencies found.

Growth and size10 fields

Plant type
Plant
AI estimate100 % agree
Height
150 cm“Brassica oleracea costata is a BIENNIAL growing to 1.5 m (5ft).”
Spread
90 cm
AI estimate58 % agree
Height at age
—
empty
Spacing
45 cm (at least 30 cm)
AI estimate55 % agree
Growth rate
—
empty
Habit
—
empty
Root depth
Shallow“The root pattern is flat with shallow roots forming a plate near the soil surface”
Forest garden layer
Herb layer
AI estimate90 % agree
Lifespan
~2 years
AI estimatenot measured yet

Roots6 fields

Root form
Plate root (shallow)“The root pattern is flat with shallow roots forming a plate near the soil surface”
Storage organ
None“It does not multiply vegetatively: it has no rhizomes, runners, suckers or offspring bulbs or tubers.”
Spreads
No“It does not multiply vegetatively: it has no rhizomes, runners, suckers or offspring bulbs or tubers.”
Lateral spread in cm
—
empty
Root depth in cm
—
empty
Mycorrhiza
Non-mycorrhizal
AI estimatenot measured yet

Light, water and soil9 fields

Sun
Full sun, light shade, part shade · best: full sun“it succeeds in full sun in any reasonable soil”PFAF“It can grow in semi-shade (light woodland) or no shade.”Wikipedia“The plant can grow in partial shade”
Hours of sun
6–8 h
AI estimatenot measured yet
Water
Moist · best: moist · Medium · 2–4 l/day“It prefers moist soil.”
Drought tolerant
—
empty
Tolerates waterlogging
—
empty
Soil type
Sand, loam, clay · best: clay“Prefers a heavy soil.”PFAF“Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in heavy clay soil.”
pH
6–7.5 · best 6–7“The plant is tolerant of a variety of soil conditions between pH 6.0 and 7.5”PFAF“Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils.”
Drainage
Well drained“prefers well-drained soil”
Compacted soil
Copes badly
AI estimatenot measured yet

Climate5 fields

Hardiness
—
empty
Killing frost
—
empty
Growing temperature
5–25 °C · optimal 15–20 °C
AI estimatenot measured yet
Chill hours
0 h
AI estimatenot measured yet
Native range
—
empty

Care (becomes tasks in Manage)5 fields

Sowing
April · lasts 30 days“Seed - sow in a seedbed outdoors in April.”
Planting out
After the last frost · 14 days after · lasts 14 days
AI estimatenot measured yet
Watering
June · lasts 90 days
AI estimatenot measured yet
Feeding
After the previous stage · 30 days after · a balanced fertiliser
AI estimatenot measured yet
Protection
May · lasts 120 days · insects
AI estimatenot measured yet

Through the year3 fields

Flowering
May · lasts 123 days“It is in flower from May to August”
Fruiting
July · lasts 92 days“the seeds ripen from July to September”
Harvest
January · lasts 365 days“The plant can usually be harvested all year round, though there will be little to pick in very cold winters”

Edible parts and pollination4 fields

The leaves
Raw or cooked“Edible Parts: Leaves”PFAF“Leaves - raw or cooked.”
Leaf ribs
Cooked like seakale“The leaf ribs are cooked like seakale (Crambe maritima.).”
Pollination
Self-fertile · hermaphrodite“The species is hermaphrodite (has both male and female organs) and is pollinated by Bees.”PFAF“The plant is self-fertile.”
Pollinated by
Bees“The species is hermaphrodite (has both male and female organs) and is pollinated by Bees.”

Ecology5 fields

Attracts
Bees“The species is hermaphrodite (has both male and female organs) and is pollinated by Bees.”
Pests
Cabbage worms, aphids, flea beetles, cabbage loopers, harlequin bugs
AI estimatenot measured yet
Diseases
Downy mildew“The plant can grow in partial shade, but care must be taken to provide sufficient ventilation, as this reduces the prevalence of downy mildew.”
Takes up
Sulfur, calcium, potassium
AI estimatenot measured yet
Fixes nitrogen
No
AI estimatenot measured yet

Propagation and names4 fields

Methods
Seed - sow April in situ., Cuttings root very easily at almost any time in the growing season[K]., seed“Seed - sow April in situ.”PFAF“Cuttings root very easily at almost any time in the growing season[K].”PFAF“Seed - sow in a seedbed outdoors in April.”
Difficulty
1 / 5
AI estimatenot measured yet
Seed
none
AI estimatenot measured yet
Names
24 names in 8 languages

Not sorted yet49 fields

Fields the parser stores that this page has no row for yet. They show up here automatically, so nothing is hidden.

forage.DK.prep_cautions
Some people find the raw leaves hard to digest“Some people find the raw leaves hard to digest[K].”
forage.DK.edibility_basis
inferred
AI estimatenot measured yet
forage.DK.foraging_months.notes
The leaves can be available all through the winter.“The leaves can be available all through the winter.”
forage.DK.foraging_months.year_round
true“It is in leaf all year, in flower from May to August, and the seeds ripen from July to September.”
forage.US.edible_parts
[{"part":"leaves","caution":null,"preparation":"raw or cooked"},{"part":"leaf ribs","caution":null,"preparation":"cooked like seakale"}]“Edible Parts: Leaves”PFAF“The leaf ribs are cooked like seakale (Crambe maritima.).”PFAF“Leaves - raw or cooked.”
forage.US.prep_cautions
Some people find the raw leaves hard to digest“Some people find the raw leaves hard to digest[K].”
forage.US.edibility_basis
inferred
AI estimatenot measured yet
forage.US.foraging_months.notes
The leaves can be available all through the winter.“The leaves can be available all through the winter.”
forage.US.foraging_months.year_round
true“It is in leaf all year, in flower from May to August, and the seeds ripen from July to September.”
forage.TROPICAL.edible_parts
[{"part":"leaves","caution":null,"preparation":"raw or cooked"},{"part":"leaf ribs","caution":null,"preparation":"cooked like seakale"}]“Edible Parts: Leaves”PFAF“The leaf ribs are cooked like seakale (Crambe maritima.).”PFAF“Leaves - raw or cooked.”
forage.TROPICAL.prep_cautions
Some people find the raw leaves hard to digest“Some people find the raw leaves hard to digest[K].”
forage.TROPICAL.edibility_basis
inferred
AI estimatenot measured yet
forage.TROPICAL.foraging_months.notes
The leaves can be available all through the winter.“The leaves can be available all through the winter.”
forage.TROPICAL.foraging_months.year_round
true“It is in leaf all year, in flower from May to August, and the seeds ripen from July to September.”
ornamental.basis
documented
AI estimatenot measured yet
ornamental.fragrance.source
none
AI estimate100 % agree
ornamental.fragrance.intensity
subtle
AI estimatenot measured yet
ornamental.confidence
high
AI estimatenot measured yet
ornamental.fall_interest
false
AI estimatenot measured yet
ornamental.flower_colour
yellow“In its second year, a woody spike grows up to 1.5 metres (5 ft) tall, from which branch off stems with long clusters of four-petaled yellow flowers.”
ornamental.evidence_quote
Cabbage (Brassica oleracea) typically produces yellow flowers. Its foliage is green to blue-green and it does not exhibit significant autumn foliage color change. It has a medium foliage texture. There is no notable fall interest or winter structure, and it is not known for fragrance.
AI estimatenot measured yet
ornamental.foliage_colour
green“Couve tronchuda is a non-hearting form of cabbage with large green leaves and prominent white midribs that are available to eat mainly in the autumn.”
ornamental.foliage_texture
medium“Wild Brassica oleracea is a tall biennial or perennial plant that forms a stout rosette of large leaves in its first year.”
Wikipediapartly
ornamental.winter_structure
evergreen_form“It is in leaf all year, in flower from May to August, and the seeds ripen from July to September.”
ornamental.autumn_foliage_colour
none
AI estimatenot measured yet
care_regime
light
AI estimatenot measured yet
propagation.self_seeding
light
AI estimate20 % agree
propagation.establishment_years
0
AI estimate40 % agree
spatial_profile.canopy_density
dense
AI estimatenot measured yet
sun_requirement.best
full_sun“grows particularly well in alkaline soils in full sunlight”
function_profile.biomass_return.confidence
high“A dynamic accumulator gathering minerals or nutrients from the soil and storing them in a more bioavailable form - used as fertilizer or to improve mulch.”
function_profile.nutrient_flows.consumes
[{"basis":"documented","demand":"high","nutrient":"nitrogen","confidence":"medium","evidence_quote":"The plant is tolerant of a variety of soil conditions between pH 6.0 and 7.5, but grows particularly well in alkalin…“The plant is tolerant of a variety of soil conditions between pH 6.0 and 7.5, but grows particularly well in alkaline soils in full sunlight, with good drainage and high amounts of nitrogen.”
function_profile.nutrient_flows.provides
[{"basis":"inferred","nutrient":"sulfur","mechanism":"biomass_return","confidence":"low"},{"basis":"inferred","nutrient":"calcium","mechanism":"biomass_return","confidence":"low"},{"basis":"inferred","nutrient":"potas…“A dynamic accumulator gathering minerals or nutrients from the soil and storing them in a more bioavailable form - used as fertilizer or to improve mulch.”
PFAFpartly
function_profile.biotic_interactions
[{"taxa":["bees"],"basis":"documented","valence":"beneficial","relation":"attracts","confidence":"high","evidence_quote":"The species is hermaphrodite (has both male and female organs) and is pollinated by Bees.","org…“The species is hermaphrodite (has both male and female organs) and is pollinated by Bees.”
function_profile.aromatic_pest_effect.value
false
AI estimate80 % agree
function_profile.aromatic_pest_effect.confidence
high
AI estimatenot measured yet
function_profile.structural_interfaces.provides_shelter.basis
inferred
AI estimatenot measured yet
function_profile.structural_interfaces.provides_shelter.confidence
low
AI estimatenot measured yet
function_profile.structural_interfaces.requires_shelter.basis
inferred
AI estimatenot measured yet
function_profile.structural_interfaces.requires_shelter.confidence
medium
AI estimatenot measured yet
function_profile.structural_interfaces.provides_physical_support.basis
inferred
AI estimatenot measured yet
function_profile.structural_interfaces.provides_physical_support.confidence
low
AI estimatenot measured yet
function_profile.structural_interfaces.requires_physical_support.basis
taxonomic
AI estimatenot measured yet
function_profile.structural_interfaces.requires_physical_support.confidence
high
AI estimatenot measured yet
climate_tolerance.photoperiod_response
long_day
AI estimatenot measured yet
soil_interactions.organic_matter_contribution
medium
AI estimatenot measured yet
component_metadata.growth_cycle
biennial“Brassica oleracea is a BIENNIAL/PERENNIAL growing to 1.2 m (4ft).”
PFAFpartly
resource_interfaces.inputs
[{"resource":"light","quantity_description":"succeeds in full sun"},{"resource":"shade","quantity_description":"tolerates semi-shade (light woodland) or no shade"},{"resource":"water","quantity_description":"prefers m…“Succeeds in full sun in a well-drained fertile preferably alkaline soil.”PFAF“It can grow in semi-shade (light woodland) or no shade.”PFAF“It prefers moist soil.”
resource_interfaces.outputs
[{"resource":"pollinator_services","quantity_description":"a good bee plant; pollinated by bees"},{"resource":"seeds","quantity_description":"seeds ripen from July to September"}]“A good bee plant.”PFAF“It is in leaf all year, in flower from May to August, and the seeds ripen from July to September.”