Helenium 'DOUBLE TROUBLE'^®

Helenium 'DOUBLE TROUBLE'®
Helen's flower, sneezweed

SIZE/TYPE	mid-sized perennial
USUAL HEIGHT	0.6-0.8m
USUAL WIDTH	0.3-0.5m
LEAVES	deciduous broadleaf
COLOUR OF LEAVES	green
FLOWERS	showy
COLOUR OF FLOWERS	yellow
BLOOMING TIME	August - October
LOCATION	full sun
USDA zone (lowest)	4 (down to -34°C)
WINTER PROTECTION
FOR ZONE 5+6
FOR ZONE 7
BELONGS TO CATEGORIES	Perennials Summer blooms

Helen’s flower is an attractive perennial for summer and autumn borders. Newer cultivars are selected for extended blooming time or different colour play. Double Trouble^® was bred by Dutch horticulturist Petrus Thomas Dames and patented as PP18206 in 2006.

Double Trouble^® is another modern sneezeweed variety offering large inflorescence of semi double, bright yellow flowers. Blooming begins already in late July and continues until October. Stems are about 70 cm tall and if you looking for a shorter plant you can pinch them in late spring before the plants start making flower buds. Leaves are soft green, lanceolate, and appear along the stems as well as near the ground. The whole plant looks very joyful and healthy, ideal for cheering up a sunny border.

It will grow in almost soil type but prefers fertile, reasonably drained soil and full sun. It is recommended to divide every 2-4 years to encourage new roots and young plants. All parts of the plant may cause severe discomfort if eaten. Fully hardy to about -34°C (USDA zone 4).

Last update 08-08-2017

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GLOSSARY

STANDARD QUALITY - Plants of this group are 1st class quality with number of branches and overall density adequate to their size and age, considering they were container grown.
DE LUXE QUALITY - This label guarantees a luxurious quality of manually selected plants that, compared to their height and age, are exceptionally dense and beautiful.
EXTRA - These plants are usually mature and bigger specimens with exceptional overall appearance.
STANDARD (as described in the plant form) means a tree with a trunk of 190-210 cm and a crown at the top, unless specified differently. The commercial size for trees is their girth measured in the height of 1m from ground.
HOBBY - These plants are of the same quality as our standard-quality plants but younger and therefore cheaper.
SHRUB - a woody plant with branches growing bushy from the ground level.
HALF-STANDARD or MINI-STANDARD - a small tree with shorter trunk, its size is usually specified.
FEATHERED - These are trees with branches growing already from the base of the trunk and up along the stem.
GRASSES and PERENNIALS - Sizes given usually read the diameter of the pot or the clump, as specified.