An arrangement of Viviani Rudbeckia in a wooden box on a white background.
A single Viviani Rudbeckia flower with leaves on a white background.
Levi and Emilee Gettle are smiling big while holding a giant bouquet of Viviani Rudbeckia.
A trio of Viviani Rudbeckia blooms on a white background.
Emilee and Levi Gettle standing with giant bouquets of Viviani Rudbeckia against a grey wall.
Viviani Rudbeckia growing prolifically in the trial gardens outside at Baker Creek.
An arrangement of Viviani Rudbeckia in a wooden box on a white background.
A single Viviani Rudbeckia flower with leaves on a white background.
Levi and Emilee Gettle are smiling big while holding a giant bouquet of Viviani Rudbeckia.
A trio of Viviani Rudbeckia blooms on a white background.
Emilee and Levi Gettle standing with giant bouquets of Viviani Rudbeckia against a grey wall.
Viviani Rudbeckia growing prolifically in the trial gardens outside at Baker Creek.

Rudbeckia Seeds,
Viviani

52 ReviewsSKU: #WF157Min. seed count: 40
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Description

Bask in the sunshine with Rudbeckia ‘Viviani’, these flowers will fill your garden with golden rays, as its brilliant, extra-large royal yellow blooms shine like little suns. Each flower, with its rich dark center, is a radiant burst of warmth on sturdy, upright stems. This cheerful half-hardy annual reaches 23 in tall and is adorned with bristly green leaves that highlight its glowing, wide flowers. Perfect for borders, pollinator gardens, and cut flower arrangements, Rudbeckias draws bees and butterflies with their sunny charm. Self-sowing and easy to grow, it returns each year, bringing endless rays of color and joy.

Plant Details

Botanical Name
Rudbeckia hirta
Life Cycle
Annual
Sun Requirement
6–8 hr.
Days to Germinate
7–10
Days to Maturity
100–120
Planting Depth
⅛ in.
Plant Spacing
10–12 in.
Ideal Temperature
70–95°F
Frost Hardy
No

When to Grow

Viviani takes 100 to 120 days to reach maturity. Start seeds indoors 6 to 8 weeks before your last frost date and transplant out carefully after the last frost, or direct sow at or just before your average last frost date. This is a half-hardy annual and is not frost hardy, so do not set plants out while frost still threatens.

How to Sow and Plant

  • Seeds germinate in 7-21 days.
  • Start seeds indoors 6-8 weeks before last frost date, carefully transplanting out after last frost.
  • Alternatively, you can direct sow seeds at or just before average last frost date.
  • Surface sow and lightly press seeds into soil as light aids germination.
  • Ideal germination temperature is 68-72 F.

How to Grow

  • Plants prefer full sun but will tolerate light shade.
  • Drought tolerant once established.
  • Tolerant of a range of soil types, but they prefer well-drained soil.
  • Plant height will vary depending on variety, but plants typically range from 2-3 feet tall.
  • Space plants 12-18 inches apart.
  • Deadhead to encourage continued blooming.

PESTS/SPECIAL CONSIDERATIONS

  • A few fungal diseases can affect your rudbeckia plants if they are planted too closely together and air flow is restricted. Avoid this by spacing plants adequately.
  • Overhead irrigation can exacerbate fungal issues.
  • Sedges can be an alternate host for rust in rudbeckia, so do not plant members of the Carex species near rudbeckia.

How to Save Seeds

  • Allow the flowerhead containing the seeds to mature and dry completely on the plant, then clip off the flowerhead and place in a container.
  • Working over the top of another clean, opened container, rub the flowerheads between the palms, breaking them apart.
  • The small, blackish seeds can be separated from the chaff by first screening and then winnowing.

FAQ

How big does Viviani get?

It reaches about 23 inches tall, with extra-large royal yellow blooms and rich dark centers on sturdy, upright stems. Bristly green leaves set off the wide, glowing flowers.

Does Viviani seed need light to germinate?

Yes. Surface sow and lightly press the seed into the soil, and keep an ideal germination temperature of 68 to 72 F. Seeds germinate in 7 to 10 days.

Where is Viviani best used in the garden?

It is well suited to borders, pollinator gardens, and cut flower arrangements, and the blooms draw bees and butterflies. Viviani is an annual, but it self-sows readily, so volunteer seedlings often turn up the following spring where you grew it.
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