True blue is actually a very rare colour for flowers. Due to the process of pollination, flowers simply naturally select red and yellow pigments over blue, because those colours attract more insects and birds. In more than 280,000 flowering plant species around the world, less than 10% produce blue flowers. In floral design, purple is usually used as a substitute for blue. But, there are a few varieties that we florists are able to get our hands on! Below is a list that I have compiled of different blue flora, however short it may be!
Blue spring bulb flowers are common flowers that florists use and include:
Muscari – rather small in size, these flowers are also called grape hyacinth.
Hyacinth – these flowers are also known for their wonderful scent.
Iris – probably the most popular blue bulb flower and also come in shades of purple and white.
Very common blue mass flowers:
Agapanthus – native to South Africa, these bulb flowers are available most of the year.
Hydrangea – a popular wedding flower, available in light blue as well as white, green and other colours.
Other common blue flowers that florists will carry:
Delphinium – this is a very blue line flower, meaning that it’s blooms grow vertically up the stem.
Blue Eryngium – this flower looks more like a greenery and is available most of the year.
Less common blue flowers that florists may carry:
Bachelor’s Buttons – found north of the equator and is available in late summer.
Echinops – can be cultivated in Canada for the late summer.
Blue Strelitzia Reginae – or Blue Birds of Paradise, are white and blue tropical flowers. These flowers are extremely rare.
Blue Viburnum Berries – sometimes available in late summer or early fall.
True blue foliage is extremely rare, probably even more so than blue flowers. Below I have compiled a short list of foliage that has cool tones, although none of these are true blue. But these greeneries will often give you the feeling of blue, especially when mixed with brightly coloured flowers like yellows, oranges and hot pinks.
Succulents – these plants are actually considered a flower, but for our purposes I have placed them with foliage. They come in many varieties including ‘hen and chicks’.
Eucalyptus – available all year round and come in many different varieties including: Sprial, Seeded, Silver Dollar, Gunni and Parvifolia.
Dusty Miller – more silver than blue, this velvety foliage is also available year round.
Lambs Ear – quite velvety, similar to Dusty Miller.