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Colchicum lusitanum
Colchicum lusitanum
Colchicum lusitanum
Colchicum lusitanum

Colchicum lusitanum

TAXONOMY

FamilyColchicaceae
GenusColchicum
Zone6

ABOUT

Colchicum lusitanum, commonly known as the Portuguese Autumn Crocus, is a tuberous geophyte native to the Iberian Peninsula. It belongs to the Colchicaceae family and is known for its beautiful, crocus-like flowers that bloom in autumn. The plant prefers temperate climates and undergoes a dormancy period during the summer months.

ALSO KNOWN AS

Portuguese Meadow Saffron
Colchicum actupii
Colchicum algeriense
Colchicum autumnale subsp. algeriense
Colchicum autumnale var. algeriense
Colchicum autumnale var. castrovillarense
Colchicum autumnale var. fritillatum
Colchicum autumnale var. gibraltaricum
Colchicum bivonae var. lusitanum
Colchicum byzantinum
Colchicum fharii
Colchicum fharii subsp. gibraltaricum
Colchicum levieri
Colchicum texedense

OVERVIEW

WaterDry
SoilLoamy
LightIndirect Bright (6 Hours)
Temperature15° C
Humidity60%
Dormancy3 Months
pH6.5
Pressure1,013 mbar

DETAILS

Care Instructions
Colchicum lusitanum thrives in moderate temperatures and prefers bright, indirect light. It requires a period of dormancy, typically during the summer. Water the plant sparingly, allowing the soil to dry out almost completely between waterings. Maintain moderate humidity levels to ensure optimal growth.
Soil
This plant prefers well-draining loam soil with a slightly acidic to neutral pH. Ensure the soil has good drainage to prevent waterlogging, which can lead to root rot. A mix of garden soil with some sand and organic matter works well.
Fertilizer
Use a balanced fertilizer with a nutrient composition of 5-10-10. Fertilize the plant during its active growth period in the spring and early summer. Avoid fertilizing during the dormancy period.
Repotting
Repot Colchicum lusitanum every 2-3 years or when the tubers outgrow their container. Repot during the dormancy period, typically in late summer. Use fresh, well-draining soil and a slightly larger pot to accommodate growth.
Propagation
Propagate Colchicum lusitanum by dividing the tubers during the dormancy period. Carefully separate the tubers and plant them in individual pots with well-draining soil. Ensure each tuber has at least one growing point.
Pruning
Pruning is not required for Colchicum lusitanum. Remove any dead or yellowing leaves to maintain the plant's appearance and health.
Toxicity
Colchicum lusitanum is highly toxic to both pets and humans. All parts of the plant contain colchicine, which can cause severe gastrointestinal distress, organ failure, and even death if ingested. Handle the plant with care and keep it out of reach of children and pets.
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