Start 8–10 weeks ahead
Or sow in warm soil.
Flower SeedsHSC-SUN-018-PKT
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Helianthus maximiliani
125 - 140Days to maturity
A seed worth growing
Maximilian Perennial Sunflower Seed
About this variety
Late summer sunshine into fall.
Tough and beautiful, this native perennial sunflower covers itself in 3" golden yellow flowers from August to frost.
Great at the back of borders and in bouquets. It draws bees plus helpful predators like lady beetles, lacewings, hoverflies and tiny parasitic wasps. Hardy in Zones 3–9.
Flowers about 125–140 days from sowing, on plants 60–96" tall. Open-pollinated.
Specs
- Packet: 50 seeds
- Average 11,760 seeds per oz.
- Plant height: 60–96"
In stock — Packet
Current price
$6.20
Original price
Sale price
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Know before you sow
Quick Facts
Growing times vary with weather, soil and local conditions.
Growing guide
From seed to harvest18–24" apart
Spreads fast.
Cut when 1/4 open
August to frost.
Divide every 3 years
Keeps it in bounds.
Growing Information
Days to germination
About 14 days, held at 70°F (21°C).
Starting indoors
Sow 8–10 weeks before your last frost and pot up at the first true leaves. Harden off and plant out after frost.
Direct sowing
After the last frost, once soil reaches 70°F.
Plant spacing
18–24". It spreads quickly; divide about every third year.
Soil
Almost any soil.
Light
Full sun.
Harvest
Cut when a quarter to a third of the flowers on a stem are open.
Uses
Cut flowers, the back of perennial borders, naturalistic and wildflower plantings.
Hardiness
Perennial in Zones 3–9.
Scientific name
Helianthus maximiliani
Packet
50 seeds.
Seeds per oz.
About 11,760 on average.
Satisfaction Guarantee
We want every packet you buy from Hensley’s Seed Co. to grow well for you.
If anything you order from us doesn’t meet your expectations, just let us know and we’ll replace it or refund what you paid.
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