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About Us

Take your gardening experience to new heights by visiting Roberta’s Unique Gardens. Our goal is to enhance your gardening enjoyment by providing you with top quality, leading edge perennials and annuals that are suitable for your garden and home with the best service imaginable. Roberta’s is a 4th generation family owned business and has been one of the leading commercial exhibitors at flower and garden shows for over 50 years in the U.S. and abroad. We search the globe to find easy-to-grow plants that are unique in themselves or their variety making them nearly impossible to find elsewhere. Our passion and commitment continually asks the question, “What makes a better, unsurpassed, and more beautiful flower to behold?” Working with growers and breeders from all over the world, Roberta’s is able to bring you hard-to-find plants and new species that will be sweethearts for years to come. Thank you for bringing us into your home, Eric, Kevin, and Koort Wallien

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  1. Casa Blanca Oriental Lily with Food 8 pc.

    Casa Blanca regarded by horticultural professionals as being the best white oriental lily ever is an absolute gem. This heavily perfumed oriental lily will fill the air with an ever-pleasing aroma during July and August. This lily when planted with other solid colored lilies provides magnificent color contrast in the garden.

    • SKU: R285715 / Perennial
    • Botanical Name: Lilium orientalis
    • Common Name: Oriental Lily
    • Hardiness Zone: 4-9, Cold Tolerance: -30F
    • Sun-Shade: Partial or Full Sun
    • HT/WD: 44-48 inches / 10-12 inches
    • Bloom Time: Summer: July-August
    • Cultivar: Casa Blanca
    • Special: Old time favorite with large, fragrant blooms; adds great color contrast with other brightly colored lilies; great cut flower; easy to grow; winter hardy
    • Uses: gardens, containers & landscapes, cut flowers
    • Growing Guide: Casa Blanca Oriental Lily
    • Shipping Schedule : Spring Shipping & Hardiness Zone Page
    • Read More
  2. Sub Zero Superior Blooming Winter Hardy Gladiola 30 pc.

    With our ongoing quest for the newest cold hardy perennials comes this 30 pc. Sub Zero Superior Performing Gladiola. Gladioli are popular garden plants, cultivated in Europe for more than 250 years and renowned for their striking, colorful flowers but, only warm winter areas could enjoy these without re-planting year after year. That was then and this is now because these are hardy in the garden to minus 15F. But its gets even better because they have extended bloom time from July -September; they multiply every year; they are tolerant of diverse soil conditions, and have attractive 12-18 inch height eliminating flopping over.

    • SKU: R290663 / Perennial
    • Botanical Name: Gladiolus nanus hybrids
    • Common Name: Gladioli
    • Hardiness Zone: 5-8, Cold Tolerance: -15F
    • Sun-Shade: Full Sun
    • HT/WD at Maturity: 12-18" / 6-7"
    • Bloom Time: Mid Summer to Mid Autumn
    • Cultivar: Gladiola Mixture of various colors
    • Special: Hardy in the garden to minus 15F; renowned for striking, colorful orchid-like flowers; attracts butterflies; tolerant of diverse soil conditions; multiply every year; splendid height of 12-18 inches, eliminating flopping over; rabbit resistant
    • Uses: border plants, rock gardens, containers, bouquets
    • Growing Guide: Winter Hardy Gladiola
    • Shipping Schedule : Spring Shipping & Hardiness Zone Page
    • Read More
  3. Red Dwarf Lucifer Crocosmia 15 pc.

    This 15 pc. Dwarf Lucifer Red Crocosmia adds a tropical flair to northern gardens. Beginning in midsummer and continuing thru early fall, brilliant flame red flowers stand in rows on wiry, gracefully arched stems that are perfect for cutting.

    • SKU: R290661 / Perennial
    • Botanical Name: Crocosmia montbretia
    • Common Name: Crocosmia
    • Hardiness Zone: 5-9, Cold Tolerance: -15F
    • Sun-Shade: Full to Partial Sun
    • HT/WD at Maturity: 24-30 inches / 12-18 inches
    • Bloom Time: Early Summer-Late Fall
    • Cultivar: Lucifer
    • Special: Thrives in warm, south-facing locations; bright red star-shaped flowers; heat tolerable; adds a tropical flair to northern gardens; hardy down to minus 15 degrees; attracts hummingbirds and butterflies; deer resistant
    • Uses: garden, container, excellent cut flowers, warm, south-facing locations with good drainage
    • Growing Guide: Hardy Crocosmia
    • Shipping Schedule : Spring Shipping & Hardiness Zone Page
    • Read More
  4. Pollen Free Multi-Petaled Oriental Roselily 6 pc.

    This brand new collection of Pollen Free, multi-petaled Oriental Roselilies is one of the foremost lilies to have been created in many years and can be found practically nowhere else in the United States. The unique collective term “Roselily” has recently been coined in reference to these exceptional Oriental lilies for a few reasons. As these extraordinarily beautiful flowers open with their multiple layers of petals, they resemble both an Oriental Lily and a Rose. Furthermore, these lilies do not exhibit the strong fragrance associated with most oriental lilies, but rather a delightful mild fragrance and neither do they contain the obnoxious pollen that has ruined so many of our clothes.

      • SKU: R49083 / Perennial
      • Botanical Name: Lilium orientalis
      • Common Name: Oriental Lilies
      • Hardiness Zone: 4-9, Cold Tolerance: -30F
      • Sun-Shade: Partial to Full Sun
      • HT/WD: 24-30 inches / 10-12 inches
      • Bloom Time: Mid Summer to Late Summer
      • Cultivar: 2 each bagged separately and labeled- 14-16 cm: Elana (rich pink) , Natalia (soft pink), and Carolina (white)
      • Special: Extremely rare and hard-to-find; very large flowers- up to 8-10 inches across; mild fragrance a bit milder than traditional orientals; multi-layered and extremely fragrant; boasts 18 ruffled petals per flower; no messy pollen; multiple rapidly; bloom twice as long as regular orientals; rabbit resistant
      • Uses: container, garden, flower arrangements
      • Growing Guide: Pollen-Free Multi-Petaled Oriental Roselilies
      • Shipping Schedule : Spring Shipping & Hardiness Zone Page
     

    Pollen Free Multi-Petaled Oriental Roselily

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  5. Giant Dinnerplate Dahlias 3 pc. Collection

    Dahlias are some of the largest and most prolific flowering plants you will find. These flowers come in a multitude of styles, sizes, and colors. Roberta’s is happy to offer this 3 pc. giant Dinnerplate Dahlia collection which is comprised of the largest blooming Dahlia category which is Dinnerplates. If you’re looking for the biggest blooms, then these are the plants for you. These dahlias routinely reach 4- 5 feet tall with blossoms measuring 10-12 inches across. Give them plenty of sun and lots of room for them to reach their full potential!

    • SKU: R31640 / Tender Perennial
    • Botanical Name: Asteraceae
    • Common Name: Decorative Dahlia
    • Hardiness Zone: 8-11, Cold Tolerance: 35F
    • Sun-Shade: Full Sun
    • HT/WD: 4 feet / 18-24 inches
    • Bloom Time: Mid Summer to Early Fall
    • Cultivar: 1 each: Nick Sr. (orange/yellow), Penhill Watermelon, and Uchuu (red)
    • Special: Huge vibrant flowers; nearly impossible to find elsewhere; excellent container plants; attracts butterflies and hummingbirds; deer and rabbit resistant; strong sturdy stems, and easy to grow
    • Uses: wonderful in containers, garden, warm winter gardens, cut flower
    • Growing Guide: Giant Dinnerplate Dahlia
    • Shipping Schedule : Spring Shipping & Hardiness Zone Page
    • Read More
    $23.00
  6. Blazing Star Liatris 40 pc

    While you may recognize Liatris as staple in cut flower arrangements, it may be even more at home in your garden where it will be one of the easiest to grow perennials you’ve ever had. And with Roberta’s 40 pc Blazing Star Liatris Collection you will be receiving twenty purple and twenty white liatris that will pop up in your garden in as little as 70 days! These winter hardy perennials will continue blooming all summer long, year after year attracting a plethora of our favorite pollinators - butterflies, bees, and hummingbirds – during the summer, and then in the fall the gold finches and various other birds will come seeking out their seeds. Yes, our varieties will self-seed in the autumn so each year brings more flowers! Liatris Blazing Star is an incredible fuzzy vertical growing flower that reaches about three to five feet tall on beautiful two-foot wide mounds of grass-like foliage. During the spring and summer the mounds remain deep green and then in the fall they bronze like your autumn foliage. We believe Blazing Stars look best when planted in bunches and that is why we designed this collection, to bring you maximum intrigue and form to your garden right away. Plus our varieties will bloom about three solid months, an extra month compared to most.

    • Sku/Class.: R53079/ Perennial
    • Botanical Name: Liatris spicata Floristan
    • Common Name: Blazing Star, Gayfeather
    • Hardiness Zone: 3-9, Cold Tolerance: -35F
    • Sun-Shade: Full to Partial Sun
    • HT/WD at Maturity: 3-5 feet / 12-15 inches
    • Bloom Time: Early Summer-Late Fall
    • Cultivar: 20 each 8/10 cm: Spicata (Violet) and Alba (White)
    • Special: Unique, vertical flowering characteristic over a long period; attracts butterflies, hummingbirds and finches; tough, durable, dependable, and not fussy to soil type; heat and drought tolerant; deer resistant; fast growing Native American flower; wonderful cut flower since the bloom opens up after cutting
    • Uses: gardens, borders, landscapes, wildflower, prairie gardens, cottage themed gardens, heightens gardens, large containers or tubs, wonderful cut flower for bouquets and arrangements
    • Growing Guide: Liatris Blazing Star
    • Shipping Schedule : Spring Shipping & Hardiness Zone Page
    • Read More
  7. Majestic Foxtail Lilies 3 pc. Collection

    Like beacons of light for you garden, Roberta’s 3 pc Majestic Foxtail Lily Collection’s spectacular blooms will be attracting eyes in your garden for many years. Foxtail Lilies, also known as Desert Candles, is a member of the secret garden club, as its stately growth brings new dimensions and interests to any herbaceous garden, and is a permanent member of the finest European gardens. With densely packed flower spires reaching heights of three to six feet tall and long, elegant strap-like foliage, Roberta’s Majestic Foxtail Lily Collection will bring your garden the most robust Foxtail Lilies from Holland. Our collection includes one each of orange, pink, and yellow Foxtail Lilies and the first year the star like roots will produce two to three flower spires, each comprised of thousands of individual tiny florettes that will bloom spring and summer starting the second year, attracting hummingbirds and butterflies galore all the while.

    • SKU: R53194/ Perennial
    • Botanical Name: Eremurus hybrids
    • Common Name: Lilium, Foxtail
    • Hardiness Zone: 5-9, Cold Tolerance: -10F
    • Sun-Shade: Full Sun
    • HT at Maturity: 4-5 feet / 12-24 inches
    • Bloom Time: Late Spring to Early Summer- 2nd Season
    • Cultivar: 1 each: Orange, Pink, and Yellow
    • Special: It's known as the desert candle; unique, vertical stems with cone-shaped flowers; magnificent luminous effect when in bloom and sited next to other plants with dark green foliage; attracts butterflies and hummingbirds galore; easy to grow; fragrant; deer resistant; drought tolerant once established; seeds readily for a tremendous naturalization
    • Uses: garden, container, landscaping
    • Growing Guide: Majestic Foxtail Lilies
    • Shipping Schedule : Spring Shipping & Hardiness Zone Page
    • Read More
  8. 3 Year Old Reblooming Daylily Collection 3 pc

    There’s an old adage in the garden world referring to perennials’ growth that goes something like, “Watch ‘em sleep, creep, then leap!” What this means is that the first year your perennials will sleep, spending most of their energy growing roots underground as opposed to above-earth growth. Year two is when they creep, and slowly start to show slight exuberance in the garden. But then the magic happens in the third year when they leap and grow leaps and bounds! So, if you could, wouldn’t you rather fast track your plants and go directly to the leap stage? Us too. That’s why Roberta’s 3 pc. Three Year Old Reblooming Daylily Collection is so spectacular. This is a revolutionary concept that will drastically increase your daylily’s performance right from the get-go.

    • SKU: R53065/ Perennial
    • Botanical Name: Hemerocallis hybrids
    • Common Name: Daylily
    • Hardiness Zone: 3-10, Cold Tolerance: -40F
    • Sun-Shade: Full to Partial Sun
    • HT/WD at Maturity: 20-30 inches / 20-30 inches
    • Bloom Time: Summer - Early Autumn
    • Cultivar: 1 each: Beyond Belief (pink), Indy Rhapsody (rose-red), and Byzantine Emperor (burgundy w/ golden throat)
    • Special: All are 3 yr. old root-stocks made to leap and rebloom the 1st season; enormous, multi-colored flowers; larger and more flowers in a quicker amount of time; winter-hardy, dependable while multiplying rapidly underneath the soil; bold, bright colors with non-fading flowers resistant to heat and drought; attractive to pollinators; deer and disease resistant
    • Uses: garden, borders, walkways, hard to water areas, landscape, patio containers, cut flowers
    • Growing Guide: 3 Year Old Reblooming Daylily Collection
    • Shipping Schedule : Spring Shipping & Hardiness Zone Page
    • Read More
  9. Crown Imperial Fritillaria Collection - 4 pc Set

    A stately spring flowering bulb that deserves prominence would be one way to describe the fascinating beauty of the Crown Imperial. Roberta’s 4 pc Fritillaria should be planted where they can make a bold statement; our variety Rubra Maxima touts large fiery orange pendant bell-shaped flowers sitting atop sturdy three foot stems and capped off with a crown of upright foliage, there is simply no other flower like it. These rare fall planting bulbs date back to 1590 and are an incredible sight to be seen. Includes 4 Crown Imperial Fritillaria bulbs.

  10. SKU: M50843/R50843 / Perennial
  11. Botanical Name: Fritillaria
  12. Common Name: Crown Imperial
  13. Hardiness Zone: 3-10, Cold Tolerance: -40F
  14. Sun-Shade: Full to Part Sun, or Dappled Sun
  15. HT/WD: 30-40 inches / 18-24 inches
  16. Bloom Time: Late Spring into Early Summer
  17. Cultivar: Rubra Maxima
  18. Special: Unique and rare flame orange flowers facing downwards; highly scented and highly deters deer, rabbits, and voles;
  19. Uses: Perennial garden or border, cottage gardens, edging a walkway, in between late summer flowering perennials
  20. Growing Guide: Fritillaria
  21. Ships: AVAILABLE FALL 2017
  22. Shipping Schedule : Fall Shipping & Hardiness Zone Page

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  • Siberian Iris Collection 3 pc.

    Siberian Irises are known for their sturdy, upright stalks and delicate, colorful flowers while also being very disease resistant. They perform well in sun to partially shaded areas, but adequate water throughout the season is a necessity. They’re outstanding performers in naturalized settings near water features. These reliable and trouble free irises produce gorgeous blooms mid spring to late spring while thriving in any garden or border in moist soils. These produce a wonderful display of bold, rich color when mass planted, but are also suitable for woodland borders, containers or planters, around decks, landscape beds, bog gardens, pond side, and perennials gardens. This Siberian Iris collection includes 3 favorites bagged separately and marked by variety. This wonderful assortment includes 1 each of Caesar’s Brother, Butter and Sugar, and Harpswell Happiness.

    • Sku/Class.: R285865 / Perennial
    • Botanical Name: Iris siberica
    • Common Name: Siberian Iris
    • Hardiness Zone: 3-9, Cold Tolerance: -30F
    • Sun-Shade: Full to Partial Sun
    • HT/WD: 28-42 inches / 18-24 inches
    • Bloom Time: Early Summer
    • Cultivar: Caesar's Brother, Butter and Sugar, and Harpswell Happiness
    • Special: Large 5 to 6 inch double flowers; magnificent color contrast when planted together; not demanding like other Iris; fast speading and droop free; full sun or part sun; immune to Iris borers; deer and rabbit resistant
    • Uses: Elegant themed gardens, waterside plantings, sunny mixed borders, garden beds, containers that are even placed directly into fresh water pools or pond
    • Growing Guide: Siberian Iris
    • Shipping Schedule : Spring Shipping & Hardiness Zone Page
    • Read More
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