Reference · Crops

Cut-leaved hollyhock

Alcea dissecta

Sowing seeds of Alcea dissecta is primarily carried out in the spring when the soil temperature warms up to 10–12 degrees Celsius.

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Cut-leaved hollyhock

Late autumn sowing in October is also acceptable, allowing seeds to undergo natural stratification in the soil to improve germination rates.

Seeds should be sown at a depth of no more than 2–3 centimeters, as they require light exposure for successful germination.

Row spacing during field cultivation should be approximately 50–60 centimeters to ensure proper aeration and plant development.

When using the seedling method, seeds are planted in containers in March, with transplanting to the permanent location occurring in late May.

The cut-leaved hollyhock belongs to the Malvaceae family and is a perennial herbaceous plant with a robust root system.

The crop prefers well-lit areas protected from strong winds, as tall stems are prone to lodging during severe weather conditions.

Optimal soils for cultivation are fertile, loose loams or chernozems with a neutral pH level and a deep topsoil layer.

The plant demonstrates high drought resistance; however, during the active growth phase, it requires moderate and regular soil moisture.

Successful vegetation depends on preventing water stagnation in the root zone, as excessive soil moisture often leads to root rot.

One of the most common diseases affecting hollyhocks is leaf rust, which appears as orange or brown spots on the foliage.

Under high humidity conditions, plants may be susceptible to powdery mildew, characterized by a white powdery coating on stems and leaves.

Regarding pests, spider mites and aphids pose the greatest threat to young plants by extracting sap from plant tissues.

To control fungal infections, copper-based fungicides are used, while systemic insecticides are recommended for pest control.

Disease prevention involves following crop rotation practices and the timely removal of plant debris from the field after the growing season.