Carthamus tinctorius
TAXONOMY
FamilyAsteraceae
GenusCarthamus
Zone6
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Plants of the World OnlineABOUT
Carthamus tinctorius, commonly known as safflower, is an annual plant in the family Asteraceae. It is native to arid regions with seasonal rainfall. Safflower is known for its bright yellow, orange, or red flowers and is cultivated for its seeds, which are used to produce safflower oil. The plant prefers temperate climates and is often grown in regions with dry summers.
ALSO KNOWN AS
Calcitrapa Tinctoria
Safflower
Carduus tinctorius
Carthamus glaber
Carthamus tinctorius var. albus
Carthamus tinctorius var. croceus
Carthamus tinctorius var. flavus
Carthamus tinctorius var. spinosus
Carthamus tinctorius var. tinctorius
Centaurea carthamus
OVERVIEW
VPDCalculate
WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
GDD1,800
pH6.5
Pressure1,013 mbar
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DETAILS
Care Instructions
Safflower requires full sun and thrives in direct, bright light. It prefers moderate temperatures and can tolerate dry conditions. Water the plant when the soil is almost completely dry, and ensure good air circulation to prevent fungal diseases. Safflower does not require high humidity and can grow well in average humidity levels.Harvest
Carthamus tinctorius, commonly known as safflower, is typically ready for harvest about 120 days after planting. Harvesting should be done when the majority of the flower heads have turned brown and dry, indicating that the seeds are mature. The plants are usually cut and left to dry in the field for a few days before threshing to separate the seeds. It is important to ensure that the seeds are fully dry to prevent mold and spoilage. Harvesting should ideally be done in dry weather to avoid moisture-related issues.Soil
Safflower prefers well-draining loam soil with a slightly acidic to neutral pH. It can tolerate poor soil conditions but performs best in moderately fertile soil. Ensure the soil has good drainage to prevent waterlogging, which can lead to root rot.Fertilizer
Use a balanced fertilizer with an N-P-K ratio of 10-10-10. Fertilize the plant once at the beginning of the growing season to promote healthy growth. Avoid over-fertilizing, as this can lead to excessive foliage growth at the expense of flower and seed production.Repotting
Safflower is typically grown as an annual and does not require repotting. If growing in containers, ensure the pot has adequate drainage and is large enough to accommodate the plant's root system. Repot only if necessary, such as when the plant outgrows its container.Propagation
Safflower is propagated by seeds. Sow the seeds directly in the garden or in containers after the last frost date. Plant the seeds about 1 inch deep and space them 6-12 inches apart. Keep the soil moist until germination, which usually occurs within 1-2 weeks.Pruning
Pruning is not typically required for safflower. However, you can remove any dead or damaged leaves and spent flowers to encourage new growth and maintain the plant's appearance. Deadheading can also help prolong the flowering period.Toxicity
Safflower is not toxic to pets or humans. However, the spiny leaves and bracts can cause minor skin irritation if handled without care. It is generally considered safe for gardens and households with pets and children.Additional
Safflower is drought-tolerant once established and can be a valuable addition to xeriscape gardens. It is also used in crop rotation to improve soil health and reduce pest populations. The flowers can be used as a natural dye, and the seeds are a source of high-quality oil used in cooking and cosmetics.REVOLUTIONIZE YOUR PLANT CARE
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