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Rudbeckia hirta Goldilocks Seeds

Rudbeckia x hirta Goldilocks
Black-eyed Susan, Gloriosa Daisy, Yellow Ox-eye Daisy

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A late and warm flowering will be admired up close in bouquets or from afar in flower beds. The head-shaped flowers are composed of a semi-double to double collar of an intense golden yellow around a rounded cone of black colour. Easy to grow, this annual or short-lived perennial quickly forms a large clump. For full sun in ordinary soil, moist to dry.
Flower size
6 cm
Height at maturity
55 cm
Exposure
Sun
Annual / Perennial
Annual
Germination time (days)
21 days
Sowing method
Sowing under cover, Sowing under cover with heat
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Sowing period March to April
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Flowering time July to October
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Description

The 'Goldilocks' Rudbeckia is a short-lived perennial plant but fast-growing and highly floriferous, most often grown as an annual. Its heads are composed of a semi-double to double collar of intense golden yellow, arranged around a central cone of black colour. Despite its modest size, this variety offers a generous flowering, which renews from the heart of summer until late autumn, with new flowers hiding their fading predecessors. It can be admired up close in bouquets, where its flowers are very long-lasting, and in flowerpots or flower beds. Easy to grow, this plant thrives in full sun and ordinary soil, moist to occasionally dry. 

 

The annual 'Goldilocks' rudbeckia belongs to the Asteraceae family. Its ancestor, Rudbeckia hirta, also known as Hairy Coneflower, is a short-lived perennial native to the United States. There, it grows in meadows, pastures, and cultivated fields where it is considered an adventive.

 'Goldilocks' is a compact and particularly floriferous cultivar. It is a herbaceous plant that develops primarily unbranched stems covered with large, stiff hairs that are slightly rough to the touch. Reaching 50 to 60 cm (20 to 24in) in height when in bloom, with a spread of 38cm (15in), the plant has an erect and bushy habit. The flowers bloom from July to October. Each head consists of a central disk shaped like a flattened and rounded cone, composed of numerous almost black tubular flowers. This cone is surrounded at the base by a collar of dark yellow to orange ligulate flowers, more or less double. The lower leaves, ovate and pointed, about 10 cm (4in) long, with toothed edges, appear in basal tufts. The leaves of the stems, called cauline leaves, are smaller and sessile (without petioles), with a rounded to cordate base.

 

Both an architectural plant and an accent plant, the Hairy Coneflower quickly structures your flower beds and fits well in flowerpots thanks to its compact and round habit, offering excellent flowering without restraint. Its strong presence, due to the contrast of colours, requires it to be associated with plants with light flowering, such as evening primroses (Oenothera versicolor Sunset Boulevard), Felicitas, nemesis, or lobelias in flowerpots. In a countryside garden, mix it, for example, with inulas, Ammi visnaga, or ornamental carrots. Its sunny flowers will also be enhanced by the architectural design of tall miscanthus, such as Miscanthus sinensis Yaku-Jima, Silberspinne, and transmorrisonensis.

All Rudbeckias are dye plants (especially R. hirta and R. laciniata) due to the presence of molecules called flavonols in their tissues. The inflorescences yield yellow-orange colours, while the entire plant provides yellow-green shades. 

An ecological asset: Throughout the summer, the nectar-rich flowers of Rudbeckias attract pollinating insects and butterflies to your garden. It is a good way to improve your garden's ecosystem and promote fruit and vegetable production in your vegetable patch. In autumn, you can admire the ballet of birds that come to feed on the mature seeds they find in the hearts of dried flowers.

Flowering

Flower colour yellow
Flowering time July to October
Inflorescence Flower head
Flower size 6 cm
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms
Flowering description The flowers are large solitary daisies (heads). The diameter of the flowers is about 6-7 cm (2-3in).

Foliage

Foliage persistence Semi-evergreen
Foliage colour dark green
Foliage description This plant has dark green leaves at the bottom that are shaped like spears and have jagged edges. They're usually about 2 to 4 inches long. On top of these leaves, sturdy stems grow out and branch off into many smaller stems. These stems have narrower, egg-shaped leaves.

Plant habit

Height at maturity 55 cm
Spread at maturity 38 cm
Growth rate fast

Botanical data

Genus

Rudbeckia

Species

x hirta

Cultivar

Goldilocks

Family

Asteraceae

Other common names

Black-eyed Susan, Gloriosa Daisy, Yellow Ox-eye Daisy

Origin

Cultivar or hybrid

Product reference861471

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Planting and care

Before sowing the rudbeckia, place your seeds in the vegetable compartment of your refrigerator for 4 weeks. This will break the seed's dormancy and improve your sowing's success.

Sow the seeds from February to April in a seed tray. Use a good quality compost that you will sieve on the surface to bind the seed to its substrate. Before sowing, gently press down the compost with a board. Sow your seeds by broadcasting. Cover the seeds by sprinkling compost on top or using vermiculite, gently press down and water generously with a fine rain. Place your seed tray in a well-lit area, without direct sunlight, at a temperature of 20°C (68°F) to 25°C (77°F). Lower the temperature at night to 18°C (64.4°F) to create a beneficial alternation for germination.

The seeds will germinate in 10 to 21 days. When the seedlings are manageable, transplant them into 7cm (3in) pots. Keep the compost moist but not excessively during growth. Then, 15 days before their final planting, start gradually acclimating them to a temperature of 15°C (59°F).

By the end of May or early June, the temperature in the garden will be warm enough to plant your young plants. Choose a sunny location. Add a good shovel of compost to each planting hole. Space your plants 30 cm (12in) apart.

Regularly remove faded flowers to maintain their beauty and promote repeat flowering.

16
€14.50 Each

Sowing period

Sowing period March to April
Sowing method Sowing under cover, Sowing under cover with heat
Germination time (days) 21 days

Intended location

Suitable for Meadow
Type of use Border, Container
Ease of cultivation Amateur
Exposure Sun
Soil pH Neutral, Calcareous
Soil moisture Moist soil, ordinary.

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