Zantedeschia aethiopica 'Crowborough'

arum lily

2 litre pot
pot size guide
£11.99 Buy
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Wide white spathes ( but not too scarily sci-fi) and green overlapping leaves, marked in silver Morse code, make this cool, elegant and versatile as pots will happily stand in shallow water

Val Bourne - Garden Writer

  • Position: full sun or partial shade
  • Soil: humus-rich, moist soil
  • Rate of growth: average
  • Flowering period: May to June
  • Flower colour: pure white
  • Other features: Can be grow in ponds and water up to 30cm deep.
  • Hardiness: borderline hardy (may need winter protection)

    Unusual, pure white hood-shaped flowers that are up to 10-15cm (4-6in) long are produced from late spring to mid-summer. It makes a striking architectural clump with lovely arrow-shaped, glossy dark green leaves. It looks great grown beside water as a marginal plant and can be left outside in most frost-prone areas if it is given a deep winter mulch.

  • Garden care: Mulch plants well in winter. Grow in reliably moist soil, or as a marginal pond plant. If potted up into a basket using aquatic compost, it can stand in water up to 30cm deep.

  • Harmful if eaten/skin & eye irritant

Hosta 'Sum and Substance'

plantain lily

Less susceptible (but not immune!) to slugs and snails

£9.99 Buy

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7 Questions | 8 Answers
Displaying questions 1-7
  • Q:

    I am looking to plant a couple of Arum Lillies next to the pond, not in it. Can you let me know what time of year I should be able to do this?
    Asked on 21/9/2015 by Alison from Poole

    1 answer

    • Plant Doctor


      Hello there
      Autumn is a great time to plant, but Zantedeschia is classed as borderline hardy so if you do plant now, it will need to be protected through the winter.
      Hope this helps.

      Answered on 22/9/2015 by Anonymous from crocus
  • Q:

    Hello Crocus. Can an Arum Lilly be grown in a deep pot. Also, should I cut back the stems after flowering?
    Asked on 1/7/2015 by Tracy

    1 answer

    • Plant Doctor


      Hello there
      Yes this plant can be grown in a pot as long as it is kept moist.
      You can cut off the flowering stem when they have finished flowering, but it will naturally dieback in the autumn, unless you live in a really sheltered place.
      Hope this helps

      Answered on 2/7/2015 by Anonymous from crocus
  • Q:

    Can my Arum Lilly be cut back at the end of season?
    Asked on 17/5/2015 by Gibson from Fareham, Hampshire

    1 answer

    • Plant Doctor



      In all but the most sheltered gardens, this plant will die back to nothing at the end of the year, so yes, you will want to tidy it up by cutting away the dead growth.

      Answered on 21/5/2015 by Helen from crocus
  • Q:

    Plants for boggy area?

    Dear Crocus I have an area in my woodland that is really, really, boggy, can you advice on what plants would be suitable. Many thanks. Emma
    Asked on 13/4/2010 by emma freeman

    2 answers

    • A:

      Hello Emma, There are a few plants that will thrive in boggy soil - here are some of the best:- Gunnera manicata Osmunda regalis Carex elata Aurea Ligularia Astilbe Fanal Zantedeschia Sambucus Rodgersia Hostas I hope this helps. Helen Plant Doctor

      Answered on 14/4/2010 by emma freeman
    • A:

      Dear Helen Many thanks for list of plants I have ordered several of them. Regards

      Answered on 13/4/2010 by Crocus Helpdesk
  • Q:

    Zantedeschia aethiopica 'Crowborough' care information please

    Hi, I would be most grateful for your advise on a Zantedeschia. I am looking to purchase 3 of them for our garden pond. But can you tell me.... (a) Is it a good time to plant now? (b) Is it advisable to remove from water in winter? if so, where is it best to store. We have a unheated greenhouse. We have grown them successfully in the past but 'lost' them last winter due to frozen water. Hope you can help, Many thanks, Barbara
    Asked on 27/8/2009 by MICHAEL GREGSON

    1 answer

    • A:

      Hello Barbara, These are not quite hardy, so they dislike really cold temperatures. Therefore I would wait to plant them until spring, and then keep them in pots so you can lift them and overwinter them in your unheated greenhouse. I hope this helps. Helen
      Plant Doctor

      Answered on 28/8/2009 by MICHAEL GREGSON
  • Q:

    Container Bamboos for a terrace

    Hello - I'm looking to create planted screens for two sides of south-east facing terrace and I was hoping that hardy bamboos might be a good-looking and robust solution. Visually I was thinking of alternative plantings of golden grove and black bamboos (5 ltrs) in long troughs, to be set against the wooden railings. Is this a workable idea - and if so how much room should I allow between plantings and what's the best soil for this purpose? Do you think the plants will have to be protected against frost for the first winter and if so, what would you use for this? Thanks for your help, Lee
    Asked on 13/7/2009 by Lee Robinson

    1 answer

    • A:

      Hello Lee, Bamboos are quite thirsty plants so need to be kept really well watered when they are grown in pots. They also resent very windy or exposed sites, however if you feel it is reasonably sheltered spot and you can either install an automatic watering system or make sure they get loads of water, then these make great screening plants. You should get the largest pots you can find, fill these will John Innes No2 or No3 and plant them at 50cm intervals. They are hardy plants so will not need winter protection.

      Answered on 14/7/2009 by Crocus Helpdesk
  • Q:

    My Cala lily is not flowering?

    We have a Cala lily which is about 7 years old. It has always flowered well. This spring we repotted it and since then it is producing a mass of leaves, some of which are yellowing, but hardly any flowers. Can you help please? Thanks.
    Asked on 12/7/2009 by lwilde

    1 answer

    • A:

      Hello There, Your Calla lily may have had a bit of a shock during the move, or it may simply be putting on lots of new root growth rather than concentrating its energy onto producing flowers. This is not necessarily a bad thing, but if you want flowers, you can often give them a bit of a push by feeding with a high potash fertiliser.

      Answered on 13/7/2009 by Crocus Helpdesk
Displaying questions 1-7

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