Black Rose

Halfeti Karagülü (Rosa chinensis L. cv. Louis XIV) is an endemic ornamental plant that blooms with deep red flowers approaching black, and can only grow under the natural conditions specific to the Halfeti district of Şanlıurfa province in Türkiye. Its color and fragrance are uniquely shaped by the microclimatic factors and calcareous soil structure of its native region. In addition to its aesthetic and botanical characteristics, the flower holds cultural symbolic value. The product has been registered as a “geographical indication” under Law No. 6769 on Industrial Property.

Dried Karagül Image (Anadolu Agency)

Botanical Definition and Distinguishing Features

Halfeti Karagülü is a variety of the Louis XIV cultivar of the species Rosa chinensis L. This species is known for its aromatic properties and large solitary flowers. The most distinctive feature of its blooms is their deep red tones approaching black. When in bud, the flowers appear black and transform into a velvety red as they open. A fine white line visible at the center of the petals serves as a morphological marker distinguishing Halfeti Karagülü from other rose varieties.

The near-black pigmentation of the plant results from its physiological response to Halfeti district’s unique light duration, temperature fluctuations, and highly calcareous soil structure. When the same cultivar is grown outside its native geographic range, it loses its black pigmentation and produces flowers in shades of red, velvet, or purple.

Karagül in Bud (Anadolu Agency)

Growth Environment and Climatic Conditions

Halfeti is a district located along the Euphrates River in Southeastern Anatolia, exhibiting distinct microclimatic characteristics. The district’s calcareous and mineral-rich soils, combined with a semi-arid climate featuring hot dry summers and mild winters, directly influence the development of the flower’s unique coloration. The region’s average annual temperature ranges from 18 to 20 °C, with flowering periods typically occurring in spring (April–May) and autumn (November–December). Following the construction of the Birecik Dam, part of the district center was submerged, leading to significant ecological changes. Shifts in water levels and soil pH have restricted the plant’s traditional growing areas.

Production Process

Site and Soil Selection

Halfeti Karagülü is cultivated on flat, well-ventilated land with clay-loam soils rich in organic matter. For soil preparation, topsoil, peat, and burnt farmyard manure are mixed in a 2:1:1 ratio. This mixture enhances water retention and supports root development.

Propagation by Cuttings

The rose is propagated vegetatively through cuttings. Cuttings 15–25 cm in length, containing 1–3 buds, are taken from mother plants pruned at the end of autumn through the end of winter and planted in pre-prepared soil. After initial watering, irrigation is maintained regularly. The frequency of irrigation increases during summer months due to rising temperatures. Weed control is essential to preserve product quality.

Harvesting and Drying

Flowers are harvested when their color reaches its closest approximation to black. Fresh flowers intended for direct sale are packaged immediately, while those destined for drying are hung upside down by strings in shaded areas. Once fully dried, the flowers are sealed in airtight packaging for storage and market distribution.

Upside-Down Dried Karagül Image (Anadolu Agency)

Geographical Indication and Legal Status

Halfeti Karagülü was registered as a “geographical indication” by the Turkish Patent and Trademark Office on 1 March 2021, following an application by the Halfeti Municipality. The product’s registration number is 684 and its application number is C2019/131. The registration applies exclusively to plants cultivated within the boundaries of Halfeti district in Şanlıurfa province. As stipulated by the registration requirements, the term “Halfeti Karagülü” and its geographical indication emblem must be visibly displayed on the product itself, its packaging, or within the production facility.

Registration Table (Türk Patent)

Monitoring Mechanism

The production, distribution, and use of the geographical indication for Halfeti Karagülü are monitored by a control board established under the coordination of the Halfeti Municipality. The board includes experts from the Halfeti Municipality Enforcement Directorate, the Halfeti Chamber of Agriculture, and the District Directorate of Agriculture and Forestry. Inspections are conducted at least once annually, with additional inspections carried out as needed or upon complaint. Inspection criteria include suitability of cultivation areas, accuracy of varietal characteristics, compliance with production methods, and proper use of the indication mark.

Cultural and Touristic Implications

Halfeti Karagülü holds significance not only for its biological traits but also for its contribution to local identity. This plant has become a symbolic element for visitors to the district and is used in various souvenir products such as jam, Turkish delight, soap, perfume, and chocolate. Local authorities cultivate the Karagül along riverbanks and in greenhouses, where it also serves as a visual attraction enhancing Halfeti’s tourism appeal. One of the symbols contributing to Halfeti’s inclusion in the Cittaslow (Slow City) network in 2013 is the Karagül.

Recent Developments

In response to the decline in Karagül production due to ecological factors, the Halfeti Municipality, in collaboration with the Ministry of Agriculture and Forestry, has promoted greenhouse cultivation practices. Particularly under the TAGEM-supported project “Improvement of the Halfeti Rose and Its Integration into the Cut Flower Sector,” greenhouse-based cut rose production has been targeted, and production capacity suitable for global market access has been developed.