Zantaludbeckia

Rudbeckia subtomentosa

Rudbeckia subtomentosa is a perennial herbaceous plant belonging to the Asteraceae family that blooms with showy yellow flowers from summer to autumn. Native to the central and northern United States, it grows to a height of approximately 60 to 180 cm. The leaves are long, lance-shaped, and slightly hairy.

Growth Characteristics:

Rudbeckia subtomentosa prefers plenty of sunlight and thrives best in well-drained soil. While it can grow in relatively dry environments, it grows most vigorously when supplied with sufficient water. It is highly cold-hardy and adapts well to various climatic conditions.

Propagation Methods:

It can primarily be propagated by seeds and division. Seeds are germinated indoors in the spring and transplanted outdoors after the last frost. For division, mature plants are dug up in the spring or autumn, the roots are separated into several parts, and then replanted.

Cultivation Method:

Plant in a location with ample sunlight and select well-draining soil. After planting, water thoroughly, and mulching helps protect the roots. Plant sparingly to maintain plant health. Water and fertilize regularly as needed; removing withered flowers after they have faded will result in a more abundant bloom.

Garden Use:

Rudbeckia subtomentosa is a showy plant that fits well in gardens, flowerbeds, and borders, and is an attractive plant that draws bees and butterflies. Its long flowering period beautifully decorates the garden from summer to autumn, and it pairs well with other perennial flowering plants.

Major Pests and Control Methods:

Major pests include leaf spot and gray mold. It is important to remove diseased parts and ensure good ventilation. If necessary, fungicides can be used for control. Pests include snails and aphids, which can be removed by hand or using soapy water. It is effective to prevent the occurrence of pests and diseases through regular observation and management.

Plant Type
Plant Family	Asteraceae
Height	90~180cm
Spread	60~90cm
Colors	yellow
Bloom Period	July~August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

Rudbeckia 'Henry Ailers'
Rudbeckia subtomentosa 'Henry Eilers'

Rudbeckia misouriensis
Rudbeckia missouriensis