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Lisianthus, Rosanne Black Pearl

Short Description

Astonishment of purple-verging-on-black, full, double flowers with thick, slightly ruffled petals.

Full Description

Ravishing deep-dark-purple stunner—with the darkest-purple-est blooms of any Lisianthus. ‘Roseanne Black Pearl’, a vigorous 24-32 inch annual, produces an astonishment of purple-verging-on-black, full, double flowers with thick, slightly ruffled petals. Show-off eggplant-colored blooms dazzle in a vase.
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Item#: 22766
Order: 12 Plants
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$29.95
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Lisianthus, Rosanne Black Pearl
Lisianthus, Rosanne Black Pearl, , large
Item #: 22766
12 Plants
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Product properties

Sun The amount of sunlight this product needs daily in order to perform well in the garden. Full sun means 6 hours of direct sun per day; partial sun means 2-4 hours of direct sun per day; shade means little or no direct sun.

Full Sun

Height The typical height of this product at maturity.

24-32 inches

Spread The width of the plant at maturity.

14-16 inches

Ornamental Use Ways in which the product may be used in the garden for ornamental effect.

Beds, Borders, Cut Flowers

Life Cycle This refers to whether a plant is an annual, biennial or perennial. Annuals complete their life cycles in one year; biennials produce foliage the first year and bloom and go to seed the second year; perennials can live for more than two years.

Annual

Growth Habit The genetic tendency of a plant to grow in a certain shape, such as vining or bush like.

Herbaceous

Restrictions:

Item 22766 cannot ship to: AA, AE, AK, AP, AS, CN, FM, GU, HI, MH, MP, PR, PW, VI
See all Burpee plant shipping restrictions for your state

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Video

Annuals Tour #1
Take a garden tour and see favorite annual plants in a garden setting. In this video- Zinnia, Angelonia, Marigold, Petunia, Celosia and Vinca.
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  • Lisianthus

    Lisianthus
    Start Indoors Start Indoors Starting seeds indoors is called Indoor Sow or Indirect Sow and these dates are when to sow seeds indoors in the spring or summer
    Transplant Transplant When to transplant bulbs or roots in the garden for spring
    Start Outdoors Start Outdoors Starting seeds outdoors is called Outdoor Sow or Direct Sow and these dates are when to sow seeds outdoors in the spring or summer
    Start Indoors Fall Start Indoors Fall Starting seeds indoors in the fall called Indoor Sow or Indirect Sow and these dates are when to sow seeds outdoors in the fall
    Transplant Fall Transplant Fall Transplant Fall-When to transplant bulbs or roots in the garden for fall
    Start Outdoors Fall Start Outdoors Fall Starting seeds outdoors in the fall is called Outdoor Sow or Direct Sow and these dates are when to sow seeds outdoors in the fall
    First Date: May-02 - Last Date: May-30
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How to Sow and Plant

Lisianthus may be grown from potted plants

Planting Potted Plants in the Garden:

  • Select a location in full sun with good rich moist organic, well-drained soil.
  • Prepare the bed by turning the soil under to a depth of 6-12, inches removing any debris, and lightly raking as level as possible.
  • The addition of organic matter (leaf mold, compost, well-rotted manure) benefits all gardens and is essential in recently constructed neighborhoods.
  • Plant on a cloudy day or in late afternoon to reduce transplant shock.
  • Dig a hole for each plant, approximately 6-8 inches apart large enough to amply accommodate the root ball.
  • Unpot the plant and gently loosen the root ball with your hands to encourage good root growth.
  • Place the top of the root ball even with the level of the surrounding soil. Fill with soil to the top of the root ball. Press soil down firmly with your hand.
  • Use the plant tag as a location marker.
  • Thoroughly water and apply a light mulch layer on top of the soil (1-2 inches) to conserve water and reduce weeds.
  • Keep weeds under control during the growing season. Weeds compete with plants for water, space and nutrients, so control them by either cultivating often or use a mulch to prevent their seeds from germinating.
  • Mulches also help retain soil moisture and maintain even soil temperatures. For annuals an organic mulch of shredded leaves lends a natural look to the bed and will improve the soil as it breaks down in time. Always keep mulches off a plant’s stems to prevent possible rot.
  • Keep plants well-watered during the growing season, especially during dry spells. Plants need about 1 inch of rain per week during the growing season. Use a rain gauge to check to see if you need to add water. It's best to water with a drip or trickle system that delivers water at low pressure at the soil level. If you water with overhead sprinklers, water early in the day so the foliage has time to dry off before evening, to minimize disease problems. Keep the soil moist but not saturated.
  • Until plants become established, some protection from extreme winds and direct, hot sunlight may be necessary. Good air movement is also important.
  • After new growth appears, a light fertilizer may be applied. Keep granular fertilizers away from the plant crown and foliage to avoid burn injury. Use low rates of a slow release fertilizer, as higher rates may encourage root rots.
  • Remove spent flower spikes to encourage flowering and prevent seed development. Pinching the growing tips of plants can encourage bushiness.
  • Monitor for pests and diseases. Check with your local Cooperative Extension Service for pest controls recommended for your area.
  • Lisianthus is grown primarily for its stunning, long-lasting cut flowers that look like roses.
  • The shorter cultivars are attractive in containers.
  • All types may be used in borders or as edgings, as long as they are spaced closely together.
  • Plants are resistant to heat and humidity.
  • Protect taller varieties from the wind.
  • Pinching can encourage bushier growth.
Sun
Full Sun
Height
24-32 inches
Spread
14-16 inches
Ornamental Use
Beds, Borders, Cut Flowers
Life Cycle
Annual
Growth Habit
Herbaceous
Sow Method
Indoor Sow
Flowering
Yes
Bloom Duration
12 weeks
Flower color
Black, Purple
Lisianthus, Rosanne Black Pearl is rated 1.3 out of 5 by 6.
Rated 1 out of 5 by from No viable blooms I was really excited for this plant however none of the flowers have bloomed so far and the plants have been established for about two months. The one bloom I did have was a grey color as opposed to purple.
Date published: 2017-08-11
Rated 1 out of 5 by from Great Expectations Very disappointed to say the least with this specimen. Plants were very healthy upon arrival and remained very green and healthy but did not even show signs of blooming (Zone 6) until about three weeks ago (Late July). Currently only a few buds have opened and they are a lackluster drab purple, no the rich dark aubergine shown in photos.
Date published: 2017-08-02
Rated 3 out of 5 by from nothing like picture I love lisianthus and can only find them for growing in PA from Burpee. Though these black pearl are interesting looking, they are not deep purple as shown. I can describe them as purple wash over yellow. They are blotchy looking and some are very short stemmed-not long as stated. The white and pink are flawless and delicate, the yellowish edges of these make them look withered. From a distance they are nice contrast with light colors, but looking close, they almost are so hybrid looking they look unhealthy.
Date published: 2017-07-24
Rated 1 out of 5 by from Lisianthus, Black Pearl The flowers were a little disappointing. They are much smaller than I expected and not as full. They don't do well in full sun.
Date published: 2017-07-15
Rated 1 out of 5 by from Lisianthus Bought this plant months ago and wished I hadn't. Poor quality and too expensive. Doesn't look like the picture. Extremely disappointed
Date published: 2017-07-15
Rated 1 out of 5 by from Not my favorite Finally bloomed. Looks like someone sprinkled grey paint on them! Will add photo at later date. Just plain ugly! P.S. Lisianthus is one of my favorite flowers that I buy locally, but I wanted to try a new color...
Date published: 2017-07-12
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