Product specifications and features

Product Description

Tallest Sunflower Seeds (18 seeds)

Jamieson Brothers Sunflower The Tallest Flower Seeds (Approx. 20 seeds) SUNFLOWER THE TALLEST Helianthus Annuus giganteus - Giant yellow flowers on tall strong stems, a must for any garden. Long Lasting. Prefers full sun. Hardy annual CHARACTERISTICS: Height: 200cm-300cm Exposure: Full sun to partial shade Flowering Time: July to September Garden Uses: Great for mass planting in borders Attracts: Birds, bees, butterflies and other pollinators Hint: Experiment with plantings staggered over 5 to 6 weeks to keep enjoying continuous blooms. If you see birds scratching around for the seeds, spread netting over the planted area until seeds germinate. GROWING INSTRUCTIONS: Starting Indoors - February - March Sow seeds 1cm deep in trays of moist compost. Be careful not to overwater. Store in a warm place at an approx. temperature of 15-16 o C. When the seedlings are strong enough to handle they can be transplanted into bigger pots or trays. Do not overcrowd the plants and keep in a warm, light position. Once all chance of frost has passed the plants can be tranplanted direct into your desired location in May. Harden off first. Sowing Outdoors - March - June Sow seeds 1cm deep in flowering location, thin to above spacings. The sunflowers may require staking.

Specs & Details

Established spread
30-60cm
Flower colour
Yellow
Life cycle
Annual
Habit
Upright

Features

  • Thrives Full Sun

Plant Calendar

 

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Plant

 
 
 
 
 
 
 
 
 
 
 
 
From March To April

Harvest

 
 
 
 
 
 
 
 
 
 
 
 
From April To May

FAQs

Please read our FAQs page to find out more.

When can I grow Sunflowers in the UK?

Grow Sunflowers in spring, once the risk of hard frost has passed. Choose an open, sunny spot with shelter from strong winds.

Where is the best place to grow Sunflowers?

Sunflowers need full sun, fertile soil and plenty of space. Taller types benefit from a stake or support, especially in exposed gardens.

Why are my Sunflowers falling over?

Tall Sunflowers can topple in wind or when growing in shallow, dry soil. Add a sturdy stake early, water deeply and choose a sheltered location.

Can I grow Sunflowers in pots?

Yes, compact types grow well in large, deep pots. Use a heavy container with drainage holes and keep the compost evenly moist.

Why has my Sunflower not flowered?

Sunflowers need warmth, sunlight and enough root room to form strong buds. Shade, drought and overcrowding can delay or reduce flowering.

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