Where is the best place to plant a delphinium?
Delphiniums should be planted in an area that receives 6 to 8 hours of sun per day, preferably morning sun. They need shelter from strong winds and rain downpours to avoid damage to the tall flower stalks. Standing water causes crown and root rot, so a well-drained site is a must.
Are delphiniums perennials NZ?
Perennial. Delphiniums are gross feeders i.e. they like lots of tucker, especially organic matter. They respond well to being planted with sheep pellets.
What month should I plant delphiniums?
spring
You can plant a delphinium at any of time of year, but spring or autumn is best as the soil will be warm and moist. Dig a planting hole and add compost or well-rotted manure in the bottom, for a nutritious boost. Delphiniums struggle in winter wet, so add grit to heavy soils to aid drainage.
Do delphinium plants come back every year?
On the East Coast and in England, most delphiniums are grown from cuttings, but despite the fact that delphiniums are perennials, and that some are native to California, garden types do not grow as perennials here, but must be replanted every year–from plants begun from seed.
How close together can I plant delphiniums?
Plant 60cm (2ft) apart – they are best in groups of two or three, but they need good air circulation around them to prevent powdery mildew.
Are delphiniums cold hardy?
While delphiniums are cold hardy to USDA Zone 3, where temperatures can get down to -30°F, they need a bit of help to ensure that they survive a cold and frosty winter. In mid- to late fall, grab some organic mulch from your local gardening store.
Where did the New Zealand Delphinium plant come from?
They started with delphinium seed imported from England but, after success with their breeding lines at New Zealand’s inaugural Ellerslie Flower show in 1995, they soon saw the potential for a business which could excel in producing high quality and distinctive delphinium varieties, primarily from seed, for sale around the world.
Who is the founder of Dowdeswell’s delphiniums in New Zealand?
Dowdeswell’s Delphiniums was initially founded in 1982 by Terry and Janice Dowdeswell as an alternative crop for the cutflower trade in New Zealand.
How tall does a Delphinium plant grow to be?
Delphiniums will grow to a whopping 180cm tall. They are beautiful and bold and look great in all sorts of different style gardens. Foxgloves and hollyhock are two other tall plants which look lovely grown with delphiniums. And they also make great cut flowers.
Can a Delphinium plant survive in Zone 3?
You will enjoy the hummingbirds and butterflies that are attracted to the alluring Delphinium flowers. Hybrid delphinium plants are an extremely hardy perennial, surviving in the northern areas all the way into Zone 3.