Scientific Name : Helenium autumnale
Common Name : Sneeze Weed
Hardiness Zone : 4a - 9a
Hardiness Degree : -30°F (-34°C)
Blooming Season : Summer, Autumn, Late Summer
Plant Habit : Columnar
Characteristics : Heat Tolerant, Attracts Bees, Attracts Butterflies, Deer Resistant, Drought Tolerant
Water : Light
Fertilizer : Once a month
Spacing : 14 - 16" (36 - 41cm)
Height : 14 - 16" (36 - 41cm)
Width : 12 - 14" (30 - 36cm)
Exposure : Sun
General Information : Helenium are stunning Summer-into-Fall garden flowers.
They are also useful as cut flowers and have a long vase-life.
They attract pollinators and are typically resistant to deer and rabbits.
Idea & Tips : Helenium are sun-lovers and should be planted in a full-sun location in the garden.
Fertilize as plants begin to grow in the Spring and again monthly to preserve their green foliage and encourage good flowering.
Although quite drought tolerant, do not allow your Helenium plants to wilt severely.
: Stunning Summer-into-Fall garden flowers for late-season sales.
- Very compact, making them great for containers.
- Well-branched habit will hold up to weather in the landscape.
- Vibrant colors stand out at retail.
- No vernalization required for bulking or flowering.
Protection Information : PPAF
(Flowering Only License)
Breeder : Darwin Perennials
EC 0.75-0.80 mmhos/pH 5.8-6.2
1,000 ppm IBA
50-75 ppm N
Use low mist settings; do not oversaturate rooting media. Root zone temperatures of 70°F (21°C). Remove flowers in propagation.
42-49 days after sticking
Nights: 55 to 65°F (13 to 17°C) Days: 60 to 80°F (15 to 27°C)
5,000 to 8,000
Long day obligate
Allow media to dry moderately between watering.
Use a balanced fertilizer at a rate of 125 to 150 ppm.
PGRs generally not needed
Spider mites, Thrips
Rooted: 10-12 wks
Rooted: 10-12 wks
July to September
Download Culture Guide