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 Delphiniums and Verbascums
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English Delphiniums, Alaskan Style Page 2 Growing Delphinium
Seeds indoors
- First
which type of delphiniums you grow is essential. Most of the delphinium
plants usually sold in the US are from the Pacific Giants strain, a old
strain of delphiniums that does not come close in performance to the
modern English delphinium Elatum cultivars. Unfortunately, it is nearly
impossible and uneconomical to obtain English delphinium plants
from
England due to the UK
very stringent Phytosanitary restrictions. So you might have to grow
your own English delphinium plants
from seed.
Catherine recommends joining the English Delphinium Society because they are a wealth of information, send you a color illustrated yearbook, and they send you free English delphinium seeds too. Although open-pollinated seeds tend to produce a mixed bunch of colors, mostly blues and purples, these plants will be of a much better quality than the Pacific Giants. Sounds good, but there’s more. Each fall the English Delphinium Society offers hand-crossed English delphinium seeds for members to purchase. These seeds will give you a better chance of obtaining the colors you might want. My recommendation for growing delphinium seeds indoors is keep the delphinium seeds in the refigerator and start your delphinium seeds in a damp seeds starting mix. Dowdeswell delphiniums uses a damp sheet of newpaper on top of the delphinium seeds.  English
delphinium, Taplin's
Treasure
Close-up
Space
-
Once germinated the delphiniums
should be planted out
in their final
home. Give them room to
grow. Catherine explains that by spacing the delphinium plants at
least 18 inches to 2 feet apart, enables them to grow properly,
and in a few years they will use up this space admirably.
Sun - Try to plant your delphiniums in full sun in a somewhat protected location because even the strongest plant can still snap in a fierce wind. Soil - Ensure that your delphinium bed is rich in organic matter. Catherine uses compost and gives her soil a little rock phosphate and bone meal. Part Two
Thinning English Delphiniums
- Since
“mature English delphiniums
produce a considerable number of shoots,
each
spring... the plant will carry many small, poorly formed flowering
spikes, on weak stems that will be prone to breakage and collapse.”
Catherine recommends thinning the plants to just 3 shoots in their
second year. This will put more energy into the rest of the plant
resulting in a stronger canes and bigger florets. The third year thin
to 5 shoots. From then on thin to 5-7 shoots. You should be rewarded
with a plant that will draw admiring attention from your neighbors with
such questions as, “What soil are you using. What are you fertilizing
with?”
Staking English Delphiniums - As to
staking your plants, the Delphinium Garden
handbook says the best
method is to use three 4’0” canes placed around each plant
in a triangle and splayed outwards slightly towards the top(old bottle
corks can be placed on the top of each cane so as to avoid nasty
accidents). Approximately 1’0” of each cane should be planted in the
ground. As the plants grow twine should be tied around the stakes so as
to form a cage. For taller plants use 5’0” canes. Catherine says large
tomato cages work well, too.
Fertilizing
English Delphiniums - Catherine adds a
cup of bone meal to each mature plant in the
spring. Also, she sprays
the leaves with kelp meal, but definitely not liquid fertilizers which
Catherine claims can cause the plant to grow deformed or “fasciated”.
Last Catherine says, “WATER, WATER, WATER.” Catherine believes the
Girdwood climate with all its rain generously contributes to her
healthy looking delphinium plants.
When the plants spike has bloomed you can cut it off just below the flower heads and enjoy the blooms of the lateral spikes. Catherine does not let her plants go to seed so that they put all their energy back into the plants for next year. In the fall, Catherine cuts her plants back to the ground. The English delphinium elatum cultivars can live from 4-10 years, possibly with the pinks being the most short lived and the blues and purples the longest lived, but Catherine believes it is all down to heritage of each plant. If you get a plant that you really like you might want to take stem cuttings in the spring and root them in Perlite or potting soil to increase your stock. The Delphinium Society produces very detailed instructions on how to do this.  English
delphinium, Tiger Eye
Catherine claims, South-central Alaska, especially Homer, is the perfect place for modern English delphinium cultivars. “If the plants get sufficient water they can thrive here.” Catherine hopes South-central Alaska will become the unofficial adopted home of the English delphinium. Furthermore, in the spring, delphiniums in South-central Alaska don’t end up being a feast for slugs and snails. In England, in the spring, slugs and snails are a major problem because they eat the new bud eyes and shoots. Slug and snail injury results in damaged florets, leaving wounds to the crown of the plant making it susceptible to fungi and disease. South-central Alaska’s slug population aren’t very active until around July. By then the delphinium plants are well established and the slugs are of little concern. If
growing
English delphiniums
from seed is not your cup of tea there is some good
news on
the horizon. A superior strain of English delphiniums from New Zealand
hybridized by Terry and Janice Dowdeswell are becoming more
readily available
here in Alaska. Called the called the New Zealand Hybrids these
cultivars can be purchased from on the web.
(http://www.delphinium.co.nz) Also another English Delphinium Society member, Dave Taplin has over 800 English and New Zealand Hybrids delphiniums currently growing in trial beds. Dave is considering selling some of these delphiniums to nurseries next year. You may want to check out your local nursery to see if these plants start cropping up.  delphinium, Picotee
In
a few years you might have your own version of the English delphiniums,
Sunkissed,
Sungleam or the much sought after Lucia Sahin, and unlike A.A. Milne's
poem you may soon have geraniums (blue)
and delphiniums (red)
growing in
your garden bed.
For
membership to the English Delphinium Society contact Shirley Bassett at
http://www.david.bassett.care4free.net
or you can
contact Shirley Bassett by mail
Mrs.
S. E.
Bassett
"Summerfield", Church Road Biddestone, Chippenham, Wiltshire SN14 7DP ENGLAND by the English Delphinium Society send $20 to
Dr. R. D. Beauchamp, The Delphinium Society 2 The Grove, Ickenham, Uxbridge, Middlesex UB10 8QH England Telephone 011 44 1895 464694 English Delphiniums, Alaskan Style Home
©David
Goodgame Any
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