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Geranium maderense

Giant Herb Robert, Madeira Cranesbill

Half-hardy Perennial

What is Half-Hardy Perennial?

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Description How to Grow More Info Delivery
A truly spectacular half-hardy perennial, native to Madeira and commonly called the 'Madeira Cranesbill'. This giant geranium produces large, exotic, deeply toothed leaves that radiate from a stout central trunk. Pretty pink flowers with magenta centres are produced from the second year on multiple branching stems, making a really show-stopping summer display! It has even been awarded the prestigious RHS Award of Garden Merit for its outstanding excellence. Geranium maderense will benefit from some winter protection so is best grown in a conservatory or large patio container which can be moved to a frost-free location. Height: 150cm (59"). Spread: 100cm (39"). Supplied in 12cm pots.

Height Up to 150cm (60in)
Spread Up to 100cm (39in)

Half-hardy Perennial

conservatoryexotic gardengreenhousepatiowildlife gardens

sun or semi shade

Flowering Months
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1 x 12cm Potted Plant (V18058)

Pot up geranium plants and grow them on in frost free conditions. When plants are fully rooted into their pots, acclimatise them to outdoor conditions over 7 to 10 days and transplant into their final positions in large containers or sheltered borders. Choose a sunny or semi shaded position on any well drained soil. Work some well rotted manure or garden compost into the soil prior to planting.
Water geranium plants regularly until fully established. In autumn, bring containers of Geranium maderense undercover to a bright, frost-free position. Border-grown plants should be lifted and potted up for the winter. Take care not to over-water Giant Herb Robert in the winter, keeping the soil just moist.

Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £2.99.

Orders which include any other products will incur a delivery charge of £6.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £7.99 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.

Van Meuwen strives to ensure that all its plants are delivered to you in the perfect condition for planting. While the majority of our nursery plants cope well with slight delays in intransit, sadly, the time it takes to deliver to certain locations in the UK means that we can't guarantee this for some of our smaller plug products and tender bedding and vegetable lines, which do not respond well to the extra journey time. So regretfully while we offer the majority of our live plant offering nationwide, we are unable to ship plugs, begging plants and tender vegetable plants to the following areas: HS, IV41-IV49, IV51, IV55-56, KW15-KW17, PA34, PA41-48, PA60-PA78, PA80, PH40-PH44, TR21-TR24, ZE1-ZE3.

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