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Green foliage makes an ideal backdrop against which to display your flowers, mimicking how flowers would grow in the garden. It adds bulk to an arrangement, can tone down bright colours and is a useful framework for supporting your flower stems. I always add my foliage first and thread the flower stems among the foliage 'scaffold' when creating a display.

Herbs and annuals as fillers
Ammi majus and Lemon balm as fillers.

Evergreen foliage

Evergreen foliage is ideal, as there is something to pick all year, but it can be hard in a residential garden to find space to grow shrubs and trees. If you are picking foliage all the time, you may leave your shrubs looking a bit bare, so go gently. I have a large, established Viburnum tinus, which we inherited with the garden, which can take a fair amount of cutting. I love the dark green, glossy foliage but I tend to wait until it produces creamy white flowers in the Autumn before using it. It has a wonderful fragrance to the flowers making it a welcome addition to bring into the house in the dark months of Winter. Other good evergreens include Rosemary, Box and any clippings from hedging plants. Experiment with the existing shrubs that you do have. There is a useful article by My Garden School about the best shrubs for cutting.

Great foliage plants

Herbs provide some of my favourite foliage to use during the Summer. Lemon balm, Borage and Oregano will all keep producing new foliage if you cut them. Once they are looking tired in mid-summer, you can cut the foliage back to the base and they will sprout up again giving you new, fresh foliage to use.

Autumn cut flowers
Ammi and Panicum elegans 'Frosted Explosion' adding bulk to this Autumnal display.

Fillers

These include plant material, other than foliage, which provide an interesting backdrop to your flowers. Plants to try include the unopened flower buds of annuals such as Helianthus 'Vanilla Ice', Scabious or Cosmos, which all look interesting in bud form. You can try green flowers like Dianthus barbatus 'Green Trick' with its fuzzy, lime-green pom poms, the tiny acid-green flowers of Alchemillla mollis, Euphorbia oblongata, Bupluerum, Fennel or Dill  or other annuals with tiny flowers such as Ammi majus or Ammi visigna. Some flowers, like Cosmos, come complete with their own foliage which you can leave on the stem (provided it is above the water line in the vase - if you leave on foliage below this, the water will quickly spoil, see Conditioning.)

Cow parsley makes great filler material
Cow parsley in May.

Foraged Wild Carrot or Cow parsley are excellent fillers and abundant in the hedgerows. I've grown the grass Panicum elegans 'Frosted Explosion' for the first time this year and I will definitely grow it again. It adds a lovely airy feel to displays. There are lots of interesting grasses you could try such as Briza maxima (quaking grass) and Agrostis nebulosa.

For further inspiration and pictures of all the plants mentioned in this post, visit the Homeflower Pinterest page.

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It's hard to narrow it down to just 10 but these are my favourite annuals to grow for cut flowers. It's important to choose a balance of colours, flower shapes and foliage when deciding which annuals to grow in your patch.

Zinnias, Sunflowers and Scabious
Zinnia 'Giant Dahlia mix', Sunflower 'Vanilla Ice', white Scabious 'Tall Double Mix', Cosmos 'Purity' & Cornflower (that's 5 of my top ten in one vase!)
  1. Ammi majus, Bishop's flower - a delicate, creamy-white umbellifer similar to Cow Parsley with attractive fern-like foliage. It's a great filler to add frothy bulk to an arrangement and to set off other flowers. Flowers from mid-Summer to mid-Autumn.
  2. Cornflowers, Centaurea cyanus - Brings a relaxed, naturalistic feel to a vase. This lovely native flower used to grow in abundance on arable land. The deep blue flowers are easy to grow and can be sown in Autumn for early flowering next Spring. As well as classic blue, I recommend 'Black Ball', a dark, red wine colour. Flowers from early Summer if sown in Spring.
  3. Scabious, Scabiosa atropurpurea - Prolific flowerers from early Summer until the Autumn frosts. The flowers are long-lasting and are a great plant to grow as they also look attractive at the bud stage and at the seed head stage. Let some flowers go to seed to take advantage of this. I grow 'Tall Double Mix' which has a mix of pinks, whites and crimsons but I also like the dark red 'Black Cat' variety and 'Ping Pong' has blue flowers and amazing sculptural seed heads.
  4. Larkspur, Consolida ajacis - Useful tall spires of flowers to add height to your vases. It's similar to a Delphinium but smaller with more delicate foliage and flowers more prolifically.  I'm growing 'Stock flowered mix' this year which has a blend of colours ranging from light pink to dark purple. Flowers in late Spring from an Autumn sowing or early Summer from a Spring sowing.
  5. Love in a Mist, Nigella damascena - A classic cottage-garden flower with lovely fennel-like foliage. It has gorgeous seed pods which can be used later in the season. I grow it scattered throughout my perennial borders where it self-seeds into any gaps. 'Miss Jekyll' is a classic blue, 'Persian Rose' is a delicate pink.

    Zinnia bud
    Zinnia bud
  6. Cosmos, Cosmos bipinnatus - Very easy to grow and produce hundreds of flowers. There are a range of pinks and crimsons to pure white forms. Flowers from mid-Summer to the first frosts. I grow 'Purity' for its simple white flower which adds elegance to a vase and, for something a little different this year, I'm trying 'Click Cranberries' which has more layers of petals with raggedy edges and a deep red colour.
  7. Euphorbia oblongata, Eggleaf spurge - like Ammi, this is invaluable to grow as a filler for your arrangements. Bright, greeny-yellow flowers offset darker flowers beautifully. As with all Euphorbias, the sap is a skin irritant so wear gloves when harvesting.
  8. Zinnias, Zinnia elegans - These natives of Mexico come in a range of rich, bright cheerful colours and will flower from late Summer to mid-Autumn. I've grown 'Giant Dahlia' mix in the past which produces a mix of colourful flowers but this year I'm trying 'Yoga' and 'Art Deco'. The lime-green 'Envy' is a little temperamental to grow and I haven't found that it has flourished as well as some of the other varieties.
  9. Sunflower, Helianthus annuus, H. debilis - Bright, cheerful flowers that are easy to grow and loved by children. Big flower heads look great on their own in a jug but they can be hard to combine with other flowers. I grow Helianthus debilis 'Vanilla Ice' (hard not to sing 'Ice, Ice baby' every time I think of this one!) which produces an abundance of smaller pale yellow flowers that combine beautifully with other blooms. Flower from Mid-Summer to Autumn.
  10. Sweet peas, Lathyrus odoratus. The individual flowers may not last long once cut but these climbing annuals produce so many flowers over a long period and have some of the best scent of any flower. They come in so many colours, you are spoilt for choice. I go for ones that smell as good as they look such as 'Matucana'. Flower from late Spring into Autumn.
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