We're approaching the end of June and we've had some pretty cold weather for what is supposed to be Summer. Yesterday and today have been lovely however, so could we please have Summer now?

Hardy annuals
My hardy annuals are now nearly all in flower and I'm really pleased with the varieties that I've chosen to grow this year. New for me this year are Amberboa muricata 'Sweet Sultan' with pale pink shaggy cornflower type flowers, the tiny white annual Lupin 'Snow Pixie' with delicate white spires of flowers on short stems and the amazing Malope trifida 'Vulcan' which has large magenta trumpet flowers with lime-green centres.

My blue and dark red Cornflowers are producing masses of flowers. They are so easy to grow and reliable and really do keep on flowering for a couple of months the more you pick them. My Larkspur are looking really healthy and are in bud but not flowering quite yet.

Cutting garden flowers in June
Sweet peas, Amberboa, Lupins, Cornflowers, Scabious, Nigella and Lemon Balm foliage

Sweet Peas
My Sweet Peas are looking really lush climbing up a frame of birch branches and I love the rich colours of the flowers. I've grown 'King Size Navy Blue' (a very dark purple - I'm not sure why seed producers are obsessed with producing blue varieties of flowers which are always, always not blue at all!), 'Matucana' which are bi-coloured - crimson and violet and 'Wiltshire Ripple' which are frilled, white flowers, splashed and streaked with deep claret. All three varieties have a lovely fragrance. Sweet peas have one of the very best scents of any flower. Yesterday, I took a sneaky day off and visited the gardens at Helmingham Hall in Suffolk and walked through a lovely rusted metal pergola swathed in gorgeous sweet peas which smelt heavenly. I don't have space for more than 3-4 varieties but it is fun to grow something different each year.

Sweet peas
Sweet peas - Matucana, King Size Navy Blue and Wiltshire Ripple varieties

Unfortunately, I've also suffered some losses in my cutting beds. Virtually all of my Bupleurum, Ammi majus and Orlaya grandiflora plants, which started  with healthy growth have slowly, one by one, turned brown and have died off. I'm not sure what has happened to them but it may be the unseasonably cold weather or some kind of pest or disease in the soil. All my other annuals in the same beds are flourishing so it's very strange and not something I've encountered before. I have sown some more of each type, which may still have time to flower this season, so I will see if they fare any better. All of these annuals make very good fillers (serving to bulk out a display with non-showy flowers and adding a light, airy feel to a vase).

Hardy annuals
Hardy annuals bed - compare this picture with the one from last month - it's amazing how quickly they grow once they get going


Half-hardy Annuals

My half-hardy annuals,  which were planted out into two beds at the beginning of the month, are slowly increasing in size. These include Didiscus 'Blue Lace', Cosmos 'Click Cranberries' & 'Rubenza' and Zinnias 'Yoga' &'Art Deco'. I'm expecting flowers towards the middle of July (if the weather warms up!).

Tulips
The Cosmos were planted into a bed that previously housed a crop of Tulips. I left them for as long as possible for the foliage to die down but it was still pretty green when I had to take the bulbs up. It's important to let Tulip foliage die down so that all the energy goes back into the bulb for flowers the following year. This being so, I carefully lifted the bulbs with foliage still intact and placed them temporarily in some plastic window boxes with some soil and put them out of sight at the bottom of the garden. Once the foliage had died off, I took the bulbs up again and let them dry out before brushing off any soil and storing in paper bags in a dark cupboard until late Autumn.

Malope trifida 'Vulcan'
Malope trifida 'Vulcan' (bottom, centre), with Lupin 'Snow Pixie', Cornflowers, Scabious, Sweet peas and Pelargonium 'Lord Bute'

Potting Shed
In the potting shed, I've sown some bi-ennial seeds for plants which I will plant out in September for flowers in early Spring next year. I've gone for the purple form of Sweet Rocket (it also comes in white) and two varieties of Sweet William - 'Single Mixed' (a mix of whites, pinks and dark red) and 'Sooty' which is a dark maroon chocolate colour. Other biennials you could sow now include Honesty and Wallflowers.

Jobs To Do
In terms of maintenance, I am tying in new growth on the tall annuals, such as Larkspur, Cosmos and the Sweet Peas, to their supports. Once a week, I give the cutting beds a really good soak with the hose. A good watering once a week is preferable to giving plants a little drink every day which only encourages shallow roots. You really want the plant roots to have to seek out the water further down the soil profile. Once the Dahlias are in flower (buds are just starting to form on my plants), I will give them a weekly feed of seaweed extract.
I haven't got a lot of weeds in the raised beds but if a stray one does appear, usually a fennel seedling that has self-seeded from elsewhere in the garden, I will pluck it out. That's it, just ensuring that flowers are picked every few days and not allowed to flower and form seed heads. Seed formation is an annual plant's whole 'raison d'etre' and once it has achieved this, there is no reason to keep producing flowers so pick them regularly and they will flower for months before exhausting themselves.

Elsewhere in the garden, I'm continuing to harvest the foliage of Lemon balm and Oregano and cutting flowers of perennial Scabious, Roses, Heuchera and Astrantia. Flowers have just started coming out on my perennial Knautia macedonica which will keep flowering the more it is cut for the next few months.

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Chelsea week is drawing to an end and this year at the Flower Show, 90% of the flowers in the Floral Marquee have been grown in Britain. Getting flowers with different flowering times such as Tulips, Daffodils, Sweet peas and Alliums to be in peak condition for this week is a herculean effort and you can read more in this excellent post by the Physic Blogger. Marks and Spencer gained a Gold medal for their 'Blooms of the British Isles' exhibit and are selling lovely Chelsea bouquets featuring Stocks, Alchemilla mollis and Allium 'Purple Sensation'. At a price tag of £30 though, you could use that money to buy some annual seed and grow, not just one bouquet, but 2-3 vases full of flowers each week all through the Summer.
So, why not get inspired and try your hand a growing your own British blooms this year? May is a great time to direct sow annual flowers outside and if you sow now, you could be harvesting your own flowers in 8-12 weeks. You just need some spare soil - weed-free, sheltered and in the sun. Just follow the instructions on the back of the seed packets and keep an eye out for slugs. Check out my first Cutting Diary article for more information.

Seedlings in potting shed
Seedlings in potting shed

This time last month, I had just planted out my first batch of hardy annuals in one of the 3 raised beds in my cutting garden. They're putting on growth quickly now and I'm eagerly anticipating flowers in about 3 weeks. That's Cornflowers, Amberboa muricata 'Sweet Sultan', Malope trifida 'Vulcan', Ammi majus, Bupleurum rotundifolium, Larkspur 'Stock flowered mix', Lupinus 'Snow Pixie' and Orlaya grandiflora. I am just hardening off a second sowing of Ammi and Bupleurum which I sowed due to poor germination the first time. I'll plant them at the end of this week and they'll soon catch up with the first batch.

My half-hardy annuals (Cosmos, Sunflowers, Zinnias, Carnations, Chrysanthemums and Panicum grasses) are all a good size and have been moved from the house into the potting shed so I have clear window sills for a change). I've pinched out the growing tips on the Cosmos, Sunflowers and Zinnias to prevent them getting too leggy and to produce sturdier plants. I will start hardening these off next week for planting out at the end of the month when I can be sure that all danger of a late frost is over.

Staking

Raised Cutting Bed
Raised Cutting Bed

Even though the plants in my first bed are still fairly small, I have already added individual stakes for the taller annuals - a mix of bamboo canes, birch branches and rustic metal hoops. When the plants grow taller, I will tie them in with jute twine. It is best to stake sooner rather than later as firstly you won't damage established root systems when pushing in the stakes and if you leave it too late you may find that a Summer wind can quickly snap the stems of tall plants like Cornflowers and Cosmos. The removable chicken wire mesh frame will add a small degree of support for the plants (it's at a height of about 15 cm above the soil) but it is primarily a cat deterrent.  We have our own cats and a lot of neighbourhood cats that see a raised bed and think it would make a nice toilet - sorry if this is too much information, but there's nothing worse than encountering buried treasure when you are planting your seedlings!

Dahlias

Dahlia with new growth
Dahlia with new growth

I potted up my dahlia tubers in early April, some in large terracotta pots where they will stay and a couple in large plastic pots as they will be transferred into a raised bed when space is freed up at the end of July. Some are already producing leafy growth, but I will keep them in the potting shed until all danger of frost is over, keeping them in the light and in moist compost.

One Dahlia tuber will produce lots of flowers as long as you just keep picking them. This year, I'm growing the lovely dark red, cactus flowered Dahlia 'Nuit d'ete', 'Sam Hopkins' a dark red form, 'Roxy'  with  a simple, magenta flower and 'Blue Bayou', an anemone flowered form with lavender outer petals and deep purple pin-cushion centres.

I will be planting 2 Dahlias in the raised bed that is currently home to my half-hardy annuals which will flower from June-July. In this way, this one raised bed will have housed 3 separate crops from February until October/November - first, early flowering bulbs - Daffodils & Iris reticulata, followed by my first batch of half-hardy annuals, and then the Dahlias, along with Carnations 'Giant Chabaud mixed' (a half-hardy perennial which can be treated as an annual) and Chrysanthemums 'Polar Star' - beautiful tricolour flowers with each white flower having an inner yellow halo surrounding a darker, central cushion.

Biennials

May and June are good months to sow biennials such as Sweet Williams, Sweet Rocket and Honesty. These will put on growth this year and flower early next Spring. This may all seem a bit of a faff as you have to wait for flowers, but they are all worth growing as they provide flowers early in the season before Spring sown annuals have started flowering. If you let some go up to seed, they will self-seed and you can lift the seedlings and arrange them into orderly rows where you would like them without needing to sow again. I missed the boat last year with mine so will ensure I grow a few of each in the potting shed once I have planted out all the annuals at the end of this month and there is space for some new pots.

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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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