PLEASE BE AWARE - Many varieties will now be cut back as we head towards autumn. We are doing this earlier than usual due to the extreme heat this season.
Varieties We Grow

Hosta 'Blue Mammoth'

Currently Unavailable

Hosta 'Blue Mammoth' is a striking giant blue variety which has been popular for many years now. With thick leaves with good slug resistance, 'Blue Mammoth' is an excellent centre piece to a bed or border.

Similar to - sieboldiana  var. 'Elegans', 'Blue Angel'

Size Giant
Maximum Height 80-85cm
Maximum Spread 150-170cm
Flower Colour White
Position Partial Shade

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Attention Customer

Many varieties will now be cut back as we head towards autumn. We are doing this slightly earlier this season due to the extreme heat that we have had.

Sienna Hosta Team