Dahlia Source

    Preview: Dahlia Source is in early development. Grower listings are samples and photos are illustrative.

    Dahlia variety

    Robann Royal

    Robann Royal is a dahlia with purple and lavender blooms about 2.5–3 in across, on plants about 4 ft tall.

    Listed for sale by 32 of the 157 nurseries we track.

    Where to buy

    Specifications

    As nurseries list it. Shown when at least two agree.

    Bloom size
    2.5–3 inper 14 of 17 nurseries
    Plant height
    4 ftper 11 of 13 nurseries
    Color
    Purple Lavender

    Not enough nurseries agree on its type to show it.

    Where to buy Robann Royal

    Checking stock at 32 nurseries...

    Sources: the specs above come from the listings of the nurseries under Where to buy, read in October 2026. Each is shown only when at least two nurseries agree on it. Nurseries can differ from the American Dahlia Society's registered classification; the ADS Online Classification Guide is the official record.

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