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  1. Succulent Groundcovers (4)
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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

Groundcovers

Groundcovers

Groundcovers are low-growing plants that spread quickly by itself in order to form a dense cover. They add beauty to the landscape, and they can also solve many planting problems in difficult areas. Ideally, a ground cover should be dense enough to inhibit weeds. Groundcovers have many uses such as weed barriers, a transition between the lawn area and taller plants in the garden bed, and also to cover up bare spots where lawn grass either won’t grow or is too difficult to maintain. Or simply use as a design element , visual guides and to define space, use to link together ornamental plants, or as simple traffic barriers. Always select groundcovers according to your site’s conditions: Sun or Shade? Clay soil or sand? Moist or dry? Select groundcovers that will survive and thrive under your conditions. Before planting, always prepare the soil as you would for any other permanent type of planting. Perennial weed areas should be cleared before planting groundcovers, since most cannot compete against established weeds. Improper soil preparation is a frequent cause of groundcover failures. Space the plants according to their size, the immediate effect desired, and their rate of growth and habit. If the individual plants are spaced too far apart, weeding can be a problem and the time required for complete coverage can be quite long. On the other extreme, planting too closely together can be a needless waste of time, money and plant materials. Please refer to this chart in determining the approximate number of plants needed to cover your designated area. Caring for your newly planted groundcovers is vital to healthy, thriving plants. Weed control is a must until the groundcover is fully established. A 2 inch layer of mulch will help in the control of weeds. On slopes, coarse netting is also used to hold the slope until the groundcover is established. It may take up to two years to establish a groundcover area. Water requirements vary with different plants. Upon planting you will need to water regularly especially during hot periods throughout the summer, making sure they do not wilt. They need minimal watering until they become established, but after they are fully established, only water as needed during extreme dry periods throughout the summer.

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  1. Cut & Plant Coco Fiber Succulent Tapestry

    This is a succulent groundcover collection growing on an easy cut and plant coco fiber mat. They are tough, durable, drought resistant plants with proven ability to survive the harshest conditions. Provides flowers throughout the growing summer, seasonal foliage color change and year round foliage! These succulents save time and money by reducing mulching, weeding, spreading gravel and erosion. They are so drought tolerant that you never need to water them! Place them where the hose doesn’t reach! These are ideal for sloped or flat surfaces in the garden or in containers – limited only by your imagination! This coco fiber living quilt includes 6 different varieties of succulents in 3 Stonecrop and 3 Ice Plants.

    • SKU: R70030 / Perennial
    • Botanical Name: Sedum & Delosperma
    • Common Name: Coco Fiber Succulent Living Quilt
    • Hardiness Zone: 5-10, Cold Tolerance: -15F
    • Sun-Shade: Full Sun to Part Shade
    • HT/WD: foliage: 3-4 inches, flowers: 6-8 inches / 18-20 inches
    • Bloom Time: Summer to Autumn (Varies by Variety)
    • Cultivar: Mix of various varieties of Stonecrop and Ice plant
    • Special: Easy cut and plant coco fibre; hardy succulents with evergreen foliage; colorful flowers and tough leaves with seasonal color-changing foliage; versatile tapestry for many uses; attracts butterflies; very drought tolerant; reduces mulching and weeding; deer and rabbit resistant
    • Uses: Vertical walls, cascading over stone walls, rooftops, tabletops, slopes, terraces, gravel patches, rock gardens, borders, along driveways, lawn substitutes, containers, and those very hard to water areas
    • Growing Guide: Cut & Plant Succulent Tapestry
    • Shipping Schedule : Spring Shipping & Hardiness Zone Page

     

     
    Cut and Plant Succulent Coco Fiber Tapestry

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    $55.00
  2. No Mow Bella® Blue Grass 70 Plug Tray

    Part of the American dream is having a house, a car, and a ridiculously nice lawn. But having a great lawn comes with one significant caveat – you have to mow it. Mowing your lawn is one of those hassles of having a home, either you have to mow it yourself, hire a company to regularly service your lawn, or hire Johnny down the road to mow it for you. Any way you look at it, it’s a time consuming, expensive part of your home’s upkeep. Until now. Roberta’s Bella Blue Grass brings your lawn that all-coveted deep green, blue alpine grass that everyone with a lawn desires. But best of all, this grass only grows 3-4” tall, which will reduce mowing by up to 50-80%! That means it only needs to be mowed one time for every two to four times other grasses need mowing; if you currently mow your lawn about 50 times per year, you can reduce that to about 12-25 times per year. It grows very quick laterally, but not vertically, i.e. it spreads in your lawn without growing tall. Each of our 70 pieces will spread about 8-10” covering about 25-30 square feet total.

    • SKU: R52997/ Perennial
    • Botanical Name: Bella® Blue Grass
    • Common Name: Dwarf Kentucky blue grass
    • Hardiness Zone: 4-7 (cool season grass only) Cold Tolerance: -30F
    • Sun-Shade: Full Sun to Shade
    • HT/WD at Maturity: Grass blade HT: 3-4 inches / WD: 8-10 inches
    • Bloom Time: N/A: Alpine blue-green
    • Cultivar: 70 plug tray Bella® Blue Grass
    • Special: New revolutionary grass is currently the first and only dwarf bluegrass on the market while being tried, tested, and patented; beautiful texture and alpine blue-green color; low growing at only a maximum height of 3-4 inches; reduces mowing (50-80%); reduces watering (20-30%) and fertilizing while trimming overall mowing costs; excellent weed barrier with its dense lateral growth habit and deeper root system; extremely resistant to heat, drought and disease resistant with sustained durability
    • Uses: Lawn substitutes, hard to grow areas, commerical, sports complexes, rooftop plantings
    • Growing Guide: No Mow Bella® Blue Grass
    • Shipping Schedule : Spring Shipping & Hardiness Zone Page

     

     
    Bella® Bluegrass

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  3. Color Last Water Me Not Stonecrop Sedum 9 Pak

    Do you want to save time and money by eliminating the need for mulching, weeding, spreading gravel and erosion? Would you like to do it by making these areas drought tolerant in even the most scorching arid climate? Do you want to do it by brightening up this area with colorful flowers and foliage? Voila you have Roberta’s 3 pc. Color Last Water Me Not Stonecrop collection. These are hardy, succulent, flowering groundcovers that create powerful color compositions in the garden. They’re tough, durable, extremely drought tolerant plants - Place them where the hose doesn’t reach! These produce blankets and blankets of color on versatile, carefree, easy to grow plants and are nearly maintenance free. These will offer unique, 3-dimensional, succulent year round foliage that comes in 3 different colors and is very attractive year round even in the wintertime – with flowering all summer long.

    • SKU: R31140 / Perennial
    • Botanical Name: Sedum spurium, rupestre
    • Common Name: Creeping Stonecrop
    • Hardiness Zone: 5-11, Cold Tolerance: -30F
    • Sun-Shade: Full or Partial Sun
    • HT at Maturity: foliage 3-4 inches; flowers 6-8 inches
    • Bloom Time: Summer-Autumn- 2nd Season
    • Cultivar: 9 PAK easy release tray; 3 each: Fuldaglut (red), Gold Spruce, and Tri-color (multi-colored leave w/ pink flowers)
    • Special: Low-growing hardy groundcover that spreads freely; versatile evergreen foliage; colorful flowers and leaves with varied 3 dimensional leaf texture; attracts butterflies; very drought tolerant; deer and rabbit resistant
    • Uses: spilling over container edges, slopes, terraces, gravel patches, rock gardens, borders, along driveways, lawn substitutes, those very hard to water areas and works great for xeriscaping
    • Growing Guide: Stonecrop Sedum
    • Ships: Zone Shipping
    • Read More
  4. Hardy Succulent Ice Plant 9 Pak

    These are hardy, succulent, flowering groundcovers with neon colored jewel-like flowers. The flowers open by day and close at night from late spring until first frost. Its evergreen foliage is perfect for hot and dry areas. These varieties offer more and brighter color, a longer blooming season and faster growth compared to other flowering groundcovers– nothing better exists.

    • SKU: R31136/ Perennial
    • Botanical Name: Delosperma hybrids
    • Common Name: Ice Plant
    • Hardiness Zone: 5-10, Cold Tolerance: -15F
    • Sun-Shade: Full to Partial Sun
    • HT/WD at Maturity: 3-5 inches / 18-20 inches
    • Bloom Time: Late Spring to Early Autumn
    • Cultivar: 3 each in an quick release tray: Fire Spinner, Jewel of the Desert Garnet Red, and Lavender Ice
    • Special: Durable, indestrucitve groundcover; large jewel-like flowers; heat, drought, humidity and salt resistant; perfect for xeriscapes and water-wise gardening; evergreen succulent foliage; shimmering flowers; deer resistant
    • Uses: succulent groundcover, rock gardens, graveled patches, slopes, in borders, xeriscapes and modern compositions, lawn substitute, smothers weeds out under trees
    • Growing Guide: Hardy Succulent Flowering Ice Plant
    • Shipping Schedule : Spring Shipping & Hardiness Zone Page

     

     
    Hardy Succulent Ice Plants

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    $49.00
  5. Live Forever Hens and Chicks Hardy Succulents 9 Pak

    Sempervivum, known as Hens and Chicks is a cinch to grow and propagate and actually quite fun to decorate pots, old tea kettles, in old boots or shoes, and in living wreaths. The primary rosette, the “hen” produces many little offsets, the “chicks”, which can easily be pulled away from the mother and rooted elsewhere. Eventually the “hen” will die back enabling the “chicks” to fill in and root in its place while carrying on for many years and producing their own offsets. These varieties are soft, smooth and have color changing, succulent, evergreen foliage and are so easy to plant and grow. Tough, cute, drought tolerant and maintenance free at the same time, these Hens and Chicks tolerate heat and neglect with style, and are winter-hardy to minus 25F.

  6. SKU: R31137/ Perennial
  7. Botanical Name: Sempervivum Hybrids
  8. Common Name: Hens and Chicks
  9. Hardiness Zone: 4-10, Cold Tolerance: -25F
  10. Sun-Shade: Full or Partial Sun
  11. HT/WD: 4-6 inches / 10-12 inches
  12. Bloom Time: Summer to Autumn (Variety Specific)
  13. Cultivar: 3 each in a quick release tray: Jade Rose (reddish), Silverine Metallic (silvery), and Pluto (dark red tips)
  14. Special: Hens and Chicks also know as Sempervivum means "lives forever"; tough and maintenance-free; evergreen with color-changing, succulent foliage; multiply exponentially; propagation a cinch and so much fun; extremely drought tolerant; deer and rabbit resistant; shimmering summer flowers attracts butterflies
  15. Uses: container garden of all types, strawberry pots, groundcover, rock garden, rooftop gardens, rock walls, gravel patches, slopes, and perfect for xeriscapes or water-wise gardens
  16. Growing Guide: Live Forever Hens & Chicks
  17. Shipping Schedule : Spring Shipping & Hardiness Zone Page
  18.  

     
    Hens and Chicks

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$47.00
  • Sumo Hybrid Surfinia™ Petunias 6 pc.

    Petunias are likely the most popular annual bedding plant worldwide. The allure of their bountiful trumpet shaped blooms has made them the summer bedding plant since the mid 1800’s. So why would Roberta’s offer a Petunia collection? Well, we finally found one bold and beautiful enough, because not only is the Surfinia Sumo™ Petunias a brand new creation as of 2016, these mounding Japanese hybrids are the biggest and strongest petunias across the globe. But it doesn’t stop there because not only will these be the biggest petunias you’ve ever grown, they will also be the fastest growing. They will fill in your window boxes, hanging gardens, flower beds, containers, or wherever else you decide to grow them, reaching full maturity in as little as six weeks! That’s about three weeks faster than other petunias. All the while, they produce roughly twice the number of flowers per plant as other petunias, with blooms that are 2.5-3” wide, that is about two to three times larger than most!

    • Sku/Class.: R49105 / Annual
    • Botanical Name: Petunia hybrid Surfinia Sumo™
    • Common Name: Petunias
    • Hardiness Zone: 9-11, Cold Tolerance: 35F
    • Sun-Shade: Full to Partial Sun
    • HT/WD: 18-20 inches / 36-48 inches
    • Bloom Time: Late Spring to Mid Fall
    • Cultivar: 3 ea: Sumo Rose and Sumo Purple
    • Special: New series of petunias with more and larger flowers; exceptionally long blooming season; vigorous growth and spread with no bare centers; neat mound-shaped habit, stronger stems with larger foliage; withstands windy conditions better; disease resistant; self-cleaning (no deadheading needed); superior varieties to heat and drought; deer resistant
    • Uses: Bedding plant, containers, hanging baskets, window boxes, flower beds, edgers, and walkways
    • Growing Guide: Sumo Hybrid Surfinia™ Petunias
    • Shipping Schedule : Spring Shipping & Hardiness Zone Page
    • Read More
  • New Discovery™ Bermudagrass 70 pc.

    Discovery Bermudagrass was initially bred in Australia and eventually brought over to the United States after being heralded for its genetic purity in the garden, dark alpine green color, and slow vertical growth. It is also a very tough, hardy turfgrass that produces an incredible lifetime lawn, landscape, sportsturf, or even golf course once established. Once established, the desired length is completely up to you. However, we suggest keeping grass at around .5-1.5”. In the warm summer months that generally means mowing once every 3-4 weeks and in the cooler season mowing once every 2-3 months. If you normally mow your grass 50 times a year, you will probably now only need to mow it anywhere from 12-25 times a year depending on your desired length.

    • SKU: R52994/ Perennial
    • Botanical Name: Discovery™ Bermudagrass
    • Common Name: Bermudagrass
    • Hardiness Zone: 7-11 (warm season grass only) Cold Tolerance: 45F
    • Sun-Shade: Full Sun to Part Shade
    • HT/WD at Maturity: Grass blade HT: 1/2-1.5 inches / WD: 8-10 inches
    • Bloom Time: N/A: dark green
    • Cultivar: 70 plug tray Discovery™ Bermudagrass
    • Special: New Bermudagrass with a beautiful dark green color and slow vertical growth; allows for much less mowing- nearly 50% less; rapid lateral growth filling in quickly; superior drought resistant and withstands heat and high temperatures well; sustained durability; exceptional recovery; soft, medium texture; low maintenance with less irrigation needed; excellent warm season grass for a lifetime lawn
    • Uses: lifetime lawn, landscape, hard to grow areas, commerical, sportsturf, golf courses, rooftop plantings
    • Growing Guide: Discovery™ Bermudagrass
    • Ships: Zone Shipping- Spring
    • Read More
  • Two Hearts Petunia Collection 6 pc

    Petunias are likely the most popular annual bedding plant worldwide. The allure of their bountiful trumpet shaped blooms has made them the summer bedding plant since the mid-1800s. But this isn’t the 1800’s anymore. And Roberta’s 6 piece Two Hearts Petunias Collection shows exactly why. These petunias were created using the highest technologies to create what are probably the most ornate petunias on the globe. Both varieties display beautiful heart patterns on each of their five petals! You gotta see it to believe it. Released mid-summer 2016, these petunias are brand new and impossible to find elsewhere, it is very likely you’ll have the only garden in town with them.

    • Sku/Class.: R53128/ Annual
    • Botanical Name: Petunia hybrid
    • Common Name: Two Hearts Petunias
    • Hardiness Zone: 9-11, Cold Tolerance: 40F
    • Sun-Shade: Full to Partial Sun
    • HT/WD: 10-18 inches / 10-18 inches
    • Bloom Time: Late Spring to Mid Fall
    • Cultivar: 3 each: Queen of Hearts (canary yellow/ruby red) and Heartbeat (white/soft pink)
    • Special: New series of petunias with more and larger flowers; exceptionally long blooming season; vigorous growth and spread with no bare centers; neat mound-shaped habit, stronger stems with larger foliage; withstands windy conditions better; disease resistant; self-cleaning (no deadheading needed); superior varieties to heat and drought; deer resistant
    • Uses: Bedding plant, containers, hanging baskets, window boxes, flower beds, edgers, and walkways
    • Growing Guide: Two Hearts Petunias
    • Shipping Schedule : Spring Shipping & Hardiness Zone Page
    • Read More
  • Fragrant White Lily of the Valley 3 pc.

    There is something about the Lily of the Valley that takes the mind to a peaceful place. Whether that comes from the fact that they have been a part of life since well before Biblical times, their incredible fragrance that beckons in springtime, or their rare trait of producing flowers in the shade, it is undeniable that the Lily of the Valley is one of the most famous plants in the world. However, Roberta’s 3 pc Fragrant White Lily of the Valley offers the best performing Lily of the Valley available, known to produce up to twice the amount of beautiful bell-shaped flowers compared to other varieties for an extended bloom season of April to June each year, double the bloom season of many other varieties. In the shade! And our collection is one of the absolute most winter hardy collections we’ve ever offered, hardy to minus 40 degrees Fahrenheit!

    • SKU: R53056/ Perennial
    • Botanical Name: Convallaria majalis
    • Common Name: Lily of the Valley
    • Hardiness Zone: 2-9, Cold Tolerant: -40F
    • Sun-Shade: Part Shade to Part Sun
    • HT/WD at Maturity: 4-12 inches / 12-24 inches
    • Bloom Time: Early Summer
    • Cultivar: White Lily of the Valley
    • Special: Multitudes of fragrance with these white blooms beckons in springtime; sturdy, graceful lance shaped foliage; exceptional self-seeders; hardy, dependable and easy to grow
    • Uses: Shade gardens, container, border, groundcover
    • Growing Guide: White Lily of the Valley
    • Shipping Schedule : Spring Shipping & Hardiness Zone Page
    • Read More
  • Hardy Geranium Set 6 pc

    Hardy Geraniums are lovely fillers for any garden or landscape. And Roberta’s 6-piece Hardy Geranium Collection will indeed fit the bill. But our selection of Johnson’s Blue and Sanguineum Cranesbill Geraniums will provide much more than just green foliage with a few sparse flowers like many varieties do. Both varieties in the collection are renowned for producing immaculate clump-like mounds in the garden, enabling the garden to retain a clean, professional appearance without any additional pruning or work on the gardener’s behalf. Furthermore, both Johnson’s Blue and Sanguineum have been bred to maintain an extended bloom cycle of up to four months, from May to September – practically double the bloom life of most hardy geraniums.

    • SKU: R53068/ Perennial
    • Botanical Name: Geranium cinereum, sanguineum
    • Common Name: Hardy Geranium
    • Hardiness Zone: 4-9, Cold Tolerance: -25F
    • Sun-Shade: Full to Partial Sun
    • HT/WD: 8-18 inches / 12-18 inches
    • Bloom Time: Late Spring to Early Autumn
    • Cultivar: 3 each Johnson's Blue (periwinkle) and Sanguineum (magenta)
    • Special: A favorite for alpine gardens; large, colorful blooms with interesting veins; drought tolerant once established; long blooming period and attractive to butterflies; grows fast and produces immaculate clump-like mounds; garden proven, highly dependable and very reliable; colorful autumnal hues; deer, rabbit, and pest resistant
    • Uses: groundcover, rock garden, container, edging
    • Growing Guide: Hardy Geranium
    • Shipping Schedule : Spring Shipping & Hardiness Zone Page
    • Read More
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