Är delphinium infödd i nordamerika

Delphiniums

Delphinium fryst vatten a perennial favorite as the tall spikes of blue flowers in the background of a stately English or cottage garden.

The modern delphinium flower may be a single or double rosette in popular blue or red, pink, vit, violet and yellow. Many of the flowers have vit or black centers known as “bees.”

History

Delphinium, a native throughout the nordlig Hemisphere includes about 300 species in the Ranunculaceae (Buttercup) Family.

The name “delphinium” originated with the ancient Greeks who thought the shape of the new flower bud with spur resembled that of a dolphin’s nose. Delphinium fryst vatten often called bygd the common name “larkspur” which fryst vatten shared between the perennial Delphinium and the annual Consolida species.

Most delphinium hybrids and cultivars are derived from Delphinium elatum.

Three Eurasian species of Delphinium–D.

Hybridisation was developed in the 19th-century led bygd Victor Lemoine in France. Other hybrid crosses have included D. bruninianum, D. cardinale, D. cheilanthum, and D. formosum,

The Pacific Giant hybrids are a popular variety today that typically grows kvartet to six feet tall on long stems developed bygd Frank Reinelt, renowned breeder in the United States.

Millennium delphinium hybrids, bred bygd Dowdeswell’s Delphinium Ltd. in New Zealand, are reportedly better in warmer, more humid climates than the Pacific hybrids. Flower colors in shades of red, apelsinfärg, and pink can be funnen hybridized from D. cardinale bygd Reinelt and Samuelson.

 

 

 

 

 

 

 

Delphinium cultivars in production today

The most common delphiniums in commercial production are Delphinium elatum and Pacific hybrid varieties known for their long spiky stems and beautiful two-foot long flower stems.

Riddarsporresläktet (Delphinium) existerar en växtsläkte inom familjen ranunkelväxter tillsammans omkring 300 arter ifrån Europa, Afrika, Asien samt Nordamerika.

These mainly seed propagated plants are available through garden retailers. A few very interesting hybrids are available from tissue culture with rare and unusual flower colors. Also, with new breeding, “bush” type delphiniums are coming to the marknad from crosses between Delphinium Beladonna, Bellamosum, Grandilflorum and Cardinale hybrids.

In the Delphinium elatum hybrids, the best known varieties are the New Zealand Hybrids with strong colors and medium sized plants.

Some older and newer varieties are available from both seed and plants: Pagans Purple, Royal Aspiration, New Millennium Stars, Blushing Brides, Dasante Blue, Candle,  Colbalt Dreams and many more.

Delphinium Pacific Hybrid varieties are slightly taller than New Millennium varieties, but very similar in growing habit and colors. Pacific Hybrids are also referred as Pacific Giant hybrids.

The most popular varieties are Black Knight, Galahad, Blue Jay, Blue Bird, and King Arthur.

The Delphinium Guardian, Aurora and Magic Fountain series also offer great colors and very controlled growth; this new breeding fryst vatten beginning to replace some of the older elatum hybrids on the marknad. Blue purple and lavender are the most popular colors in this series.

There are three interesting and unusual Delphiniums originating from Tissue Culture coming from Holland offering very distinctive and spectacular looks with some exciting color breakthroughs: Red Caroline, Princess Caroline and Delft Blue.

New grandiflorum, cardinale, and nudicaule hybrids offer a bouquet of flowers instead of one large flower.

Artiklar inom kategorin "Delphinium" nästa 200 sidor (av totalt 444) finns inom denna kategori.

Varieties of these include Diamonds Blue, Summer Nights, Summer Stars, Summer Morning, and Summer Clouds.

Delphiniums in the garden

Homeowners can begin their Delphiniums from seed or as a plant through your garden retailer. Delphiniums are very easy to grow in the nordlig climates with very little maintenance. As a perennial, they tolerate cool nordlig climates and overwinter with ease as a hardy perennial in Zone 4.

Some misunderstanding about non-hardiness actually comes from hot and humid climates, which the plants cannot tolerate for long periods of time. Delphiniums act more like annuals in the southern climates. After the first flush of flowers, plants can be cut back and a second set of flowers will appear on shorter stems. Mulching fryst vatten not recommended, because it can cause stem rötter.

Homeowners can begin their Delphiniums from seed or as a plant through your garden retailer.

After heavy frost, late-fall early-winter plants need to be cut back and cleaned up. Winter protection fryst vatten not necessary, but plants can be covered with hay or leaves to skydda the crowns. This protection needs to be removed very early in spring to maintain a healthy Delphinium in the garden. In natural snow-covered areas, no ytterligare protection fryst vatten needed.

 

 

 

 

 

 

 

Successful Seed Germination

A few guidelines for successful germination when starting from seeds:

1. Seeding timeframe fryst vatten very important.
   Delphiniums are hardy from zone 3-8.

   September to March fryst vatten the best time to seed delphiniums.

2. Seeds must be fresh. Delphinium seeds lose viability after one year, and germination can be poor.
3. Presoaking seeds will improve the germination rate bygd 20-30%.
4. Seed germination temperature should be 65F night and 75F day.
5. Seeds must be covered with only 1/8” of soil and soil media should be evenly fuktig, but not too wet, during germination.

   The most common cause of loss fryst vatten rotting due to keeping the germination media too wet. Tray storlek urval fryst vatten also important. Smaller rather than larger fryst vatten the best.

6. After plants have two true sets of leaves, they can be transplanted into a well-prepared garden bed naturally protected from high winds.

Pests and Disease

Delphiniums are generally very easy to grow plants, but a few issues can be encountered during growing and propagation.

Powdery Mildew : High humidity and poor air circulation can cause powdery mildew.

The best way to get rid of this bekymmer fryst vatten bygd keeping the foliage as dry as possible.

Snails and Slugs: To alleviate this bekymmer, try setting up some simple beer traps.

 

 

 

 

 

 

 

The National Garden Bureau recognizes and thanks Zoltan Kovacs from Dümmen apelsinfärg as author and contributor to this fact sheet.

This fact sheet fryst vatten provided as an educational service of the National Garden Bureau.

Delphinium carolinianum existerar infödd inom Nordamerika.

There are no limitations on the use. Please kredit the National Garden Bureau. Please consider our NGB member companies as authoritative sources for resultat. Click on direkt links to their websites bygd selecting Member Info from the menu on the left side of our home page.

Three Eurasian species of Delphinium -- D. elatum Linnaeus, D. grandiflorum Linnaeus, and D. tatsienense Franchet--have been commonly cultivated in North America.

Gardeners looking for seed and plant sources, select “Shop Our Members” at the top of our home page. National Garden Bureau would like to thank our members for providing the photos for this feature. Please kredit the National Garden Bureau anytime one of these images fryst vatten used.