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Cosmos bipinnatus Fizzy Rose Picotee has won the hearts (and minds) of almost everyone at Ashridge so we just had to include it in our range of ready to plant cosmos seedlings.
Cosmos Fizzy Rose is quite hard to describe and do it full justice. The flowers are variable in two respects. Some are single while others are semi-double and we have even caught it producing fully double blooms. The second is that the colouring is somewhat variable. Some flowers are definitely white with dark lilac-pink edged petals, which others are almost completely lilac pink with a little bit of white.
But "Fizzy" is fun in a border or cutting garden and looks good in a container too. It is a big Cosmos - reaching 100 cms quite easily and produces so many flowers that it needs to be "harvested" weekly. As long as it does not run to seed, a single plant can produce well over 100 flowers in a summer. Which is great as like all cosmos it is a superb cut flower and almost trouble free. And it makes me smile every time I see it.
Plant Cosmos Fizzy Rose Picotee seedlings in well prepared, moist soil that ideally was enriched with a little organic matter the previous autumn. Not too much as Cosmos flower better if the soil is not overly rich. Water well after planting and for at least a week after that just to make sure they establish well.
Cosmos also grow very well in containers but remember that they can reach 100 cms in ideal conditions so we would suggest using pot sizes of at least 5 Litres and preferably a bit more. Any general purpose compost will do here.
The main requirements are that your plants have enough light and water - they grow very fast and flower hugely through summer so moisture is important. They can cope with a little shade but flower better in full sun. As an estimate, Cosmos need a minimum of 4 hours direct light a day, but they do better with more.
Because you are buying seedlings, you can plant your cosmos into their final flowering positions immediately. Space your plants 25-35 cm apart and (in a bed) plant them in drifts of 12-15 plants. They will either need a 90 cms cane per plant (which should be pushed in about 30 cms deep and about 5 cm from a plant) or a support made of twine or pea/bean netting. This should be stretched between canes about 30-40 cms above ground level and the cosmos can then grow through it. It is not pretty at first but the plants disguise it very quickly and it is an effective solution. Just don't plant a group that is so big you can't reach the middle...
As flowers develop cut them or dead head when they are over and your cosmos will carry on flowering all summer long. A well-grown plant can quite literally produce a hundred flowers or so in a season.
To maintain flower quality and size, you can use a high potash and phosphate fertiliser every fortnight throughout summer Home-made comfrey tea is perfect or one of the specialised tomato fertilisers will do very well.
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Delivery: The basic delivery charge for orders of bareroot plants is £6.50 + vat, which increases to £12.55 + vat if you add any pot-grown plants, standard trees or fruit trees to the order.
Because couriers sometimes experience delays, we schedule delivery by week, not by day. Therefore, please plan your planting day for the weekend at the end of the delivery week or for the week following delivery, at the earliest.
We will email you the day before your plants are due to arrive.
*Surcharges to the Highlands and Islands still apply.
Payment: We do not charge your card until we begin to prepare your order for packing.
Guarantee: If any plants die within a year, we will replace them. We only ask that you follow our planting & growing instructions and sent us clear photographs of the dead plants in situ, so we can help to make sure that the replacement plants succeed. You only pay for the delivery of the replacements.
Please note that our guarantee is void if there is a hosepipe ban in your area: your newly planted hedging must be watered in dry weather while it is establishing. The best way to water is very thoroughly every few days: at least once a week if there is no heavy rain.
Our nursery has been supplying container grown and bareroot hedging plants to gardeners, farmers and town planners since 1949. Our website started in 2003, so we do understand the concerns that you may have about buying hedging plants online. If any of your plants are damaged when they arrive or if you are otherwise not satisfied with your order after you inspect it, please repackage it and contact us. We will give you a refund or send replacements and send a courier to come and collect the unwanted plants.
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