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Home  >  Rose Bushes  >  Knockout Roses  >  Rose Trees  >  Iceberg Standard Rose Tree
Iceberg Standard Rose Tree
  • * images shown are of mature plants

    Iceberg Standard Rose Tree

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    Growing Zones: 5-9
    Growing Zones: 5-9
    Mature Height: 5 ft.
    Mature Width: 3 ft.
    Sunlight: Full Sun
    Spacing: 5 ft.
    Botanical: Rosa ‘Korbin’ ICEBERG
    Cannot Ship to: AZ, LA

    The Best White Rose Tree with Masses of Nonstop Flowers


    You cannot find a better white rose than Iceberg Standard Rose (Rosa ‘Korbin’ ICEBERG). This timeless classic, which was introduced in 1958, has won more awards and received more accolades than we can count, including induction into the World Federation of Rose Societies’ Rose Hall of Fame in 1983. When asked if he could choose only one rose, world-renowned rose breeder Sam McGredy answered without hesitating … “Iceberg.” That’s good enough for us.

    Clusters of Double Blossoms
    Iceberg Standard Rose is in a class of roses called floribundas. These are especially showy because the blooms are borne in clusters that can contain numerous flowers in each cluster. Iceberg Rose clusters may have up to seven flowers per cluster for an explosion of white that brightens any sunny garden. The flowers are lightly double and refreshingly fragrant. Many newer rose cultivars have no fragrance at all because intensive breeding has gradually eliminated their unmistakable scent. When you grow Iceberg Standard Rose, you’ll love its stunning flowers, but you’ll fall in love all over again with the familiar fragrance of old-fashioned roses.

    Compact Tree with an Abundance of Flowers
    Also called rose “trees,” rose standards are not a class or type of rose. The term simply describes the way these roses are grown. They’re grafted on tall stems, called standards, which give the rose plant an appearance of a dwarf tree. The Iceberg Standard Rose has been the hands-down favorite of horticulturists for decades among all rose standards. It is easily grafted, resistant to disease, and it blooms profusely over a long season with pure-white flowers.

    A Prolific Rebloomer from Early Summer Through Fall
    Some other types of roses produce a burst of blooms, and then they’re finished blooming for the season. Or they may bloom sporadically on plants that bear more leaves than flowers. But that’s not the case with Iceberg Standard Rose! Once it starts blooming in early summer, you’ll enjoy its breathtaking floral display through autumn.

    Far More Disease Resistance than Most Roses
    Most roses are susceptible to a number of diseases, so their upkeep ends up being fairly substantial because of repeated spraying with chemicals to prevent or stop the spread of these diseases. Iceberg Standard Rose is wonderfully resistant to two of the most prevalent rose diseases – black spot and rust. So you’ll spend more time enjoying your flowers than spraying your plants. And by keeping your plant healthy, it’s even stronger against attack from diseases.

    An Elegant Gift for Mother’s Day!
    If you’re forever wondering what plant to give the gardeners on your gift list, you simply cannot go wrong with an Iceberg Standard Rose! It’s a thoughtful gift that’s not “just another rose bush” because of its unique tree-form look. The color white will complement all flower colors in a landscape, so you won’t be giving a flower color that will clash with someone’s specific design theme.

    A Brilliant Focal Point
    Iceberg Standard Rose is unquestionably a plant you want to show off by placing it in a prominent spot. It’s what landscape designers call a “specimen plant” because it creates a focal point that is the prominent feature in your yard or garden. This is one plant that you just can’t help but notice! In fact, from a distance it really does look like a dwarf tree that has a canopy filled with flowers. It’s lovely in a sunny flower bed, providing a vertical accent to smaller plants around it.

    Dress Up Your Entry Garden
    Do you have flowerbeds, container plants, or foundation plants at the front entry to your home? Most people like to “dress up” this area because it adds curb appeal … plus it offers a welcoming environment for their visitors. This is a perfect place to feature Iceberg Standard Rose. It’s especially impressive when planted on either side of the walkway near your front door. And if you want a more dramatic floral “welcome,” plant groupings of three Icebergs at both sides of your front stairs. As long as your plants are in a sunny spot, they’ll bloom all summer and release their intoxicating fragrance to perfume the air at your home’s entrance!

    A Finishing Touch for Formal Gardens
    Standard roses have an elegant look that just begs to be included in a formal garden. If you already have a rose garden, but you don’t yet have a rose standard, plant Iceberg as the central focus in your rose garden. It is also an outstanding choice as the centerpiece for a formal courtyard garden. And it creates a truly captivating look when multiple Iceberg Standard Roses line the walkway to your flower garden.

    Easily Grown in Containers
    Iceberg Standard Rose is pure perfection in a container! You don’t want to cut corners when choosing a suitable container – purchase a beautiful and durable pot to showcase this plant. Go ahead and start container shopping as soon as you order your Iceberg Standard Rose! Choose a heavy pot that won’t easily blow over on windy days. Plastic pots won’t work too well for tree roses because of the top-heavy growth on these plants. Glazed ceramic or terracotta pots are good choices, and you want to find one that’s at least 16 inches in diameter. The pot must have a drainage hole – this is a must. And don’t fill your pot with garden soil, because it won’t be long before the soil becomes compacted in the container, which is not good for healthy root growth. Instead, choose a high-quality professional potting mix that’s blended for flowering plants. You’ll want to water your container rose more often than your landscape roses to keep its roots hydrated, particularly during the hottest months of summer.

    Staking for Strong Growth
    When your Iceberg Rose is in full bloom, it becomes a top-heavy plant because the masses of flowers are concentrated at the top of a single stem. And if a strong wind is blowing, the trunk could snap. Keep the trunk supported with a wooden stake that’s just long enough to reach into the top (or head) of your plant. Secure the trunk loosely to the stake in several places using a tree tie or small length of nylon stocking. Place a cushion between the stake and the trunk to eliminate rubbing.

    Minimal Pruning Needed
    Some types of roses need frequent pruning, but your Iceberg Standard Rose needs only a few periodic nips and tucks. In February or early March, all you’ll need to do is remove any stems that are dead and any stems that cross each other. Trim the top growth back to about 12 inches. And if any shoots grow from the base of your rose tree – these are called suckers – remove those by cutting them at ground level. If you deadhead old flowers by cutting them back to a leaflet with five leaves, your plant will bloom even more abundantly!

    General Care Tips
    Roses have earned the reputation of being hard to grow, and some types really are more difficult than others. But Iceberg Standard Rose truly is easy – even for a novice gardener. Just remember to plant it in full sun; don’t bury it deeper than it was growing in its pot; apply a 3-inch layer of mulch; and water it deeply once a week if it doesn’t rain. During its first year after transplanting into your garden, your Iceberg Standard Rose needs more frequent watering to help its roots become strongly established. Check the soil moisture to make sure that the top 6 inches are thoroughly moist.

    Fertilizer is Important
    Roses are classified as “heavy feeders,” which means they typically need more fertilizer than other landscape plants. Ideally, you’ll want to have the soil tested to determine the exact type and amount of fertilizer that’s required for optimal health of your plant. In the absence of a soil test, the University of Georgia recommends adding 3 tablespoons of 16-4-8 or 12-4-8 around each plant from March through September. Lightly rake the fertilizer into the soil, and water it in thoroughly to activate the fertilizer.



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