UrbanHarvests Co - Product Details

Runner Bean ‘Scarlet Emperor’ (Organic Seeds)

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£1.2 - £2.99

A time-honoured favourite, Runner Bean ‘Scarlet Emperor’ (Organic) delivers abundant yields of long, tender pods and eye-catching scarlet-red flowers—ideal for trellises, fences, or allotment arches.

Categories: Vegetable Seeds / Organic Seeds Brand: Urban Harvest Co SKU: UH-C0020387-2

Seed Quantity:

Seed Information

Plant Type Vegetable
Organic Yes
Growing Difficulty Easy
Germination Time 7-14 Days
Harvest Time 60-75 Days
Best Season To Grow Late Spring to Early Summer
SunLight Needs Full Sun / Partial Shade
Water Requirements Medium To High
Height Of Maturity 200-300 CM
None GMO Yes
UK Native No

‘Scarlet Emperor’ is a traditional British runner bean variety, loved for its vigorous growth, ornamental blooms, and consistent, heavy cropping. This tall climber produces an abundance of long, smooth pods packed with flavour—perfect for steaming, stir-fries, or freezing.

Grown from certified organic seed, this heritage variety also supports pollinators with its bold scarlet flowers, making it as beautiful as it is productive. Ideal for allotments, garden arches, or any vertical space with full sun and fertile soil.

Type: Climbing runner bean
Height: Up to 3 metres (10 ft)
Pod Length: 25–30 cm (10–12 in)
Flavour: Rich, traditional, full-bodied
Sowing Time: April–June (indoors or direct)
Harvest Time: July–October
Support Needed: Trellis, poles, netting or frame
Certified Organic Seeds

With its classic taste, striking flowers, and generous harvest, ‘Scarlet Emperor’ is a top pick for growers who want beauty and bounty from the same plant.

Growing & Care Instructions

A Vivid Climber with Generous Harvests and Stunning Red Blooms
‘Scarlet Emperor’ is a classic runner bean variety known for its showy scarlet flowers and prolific pods. These organic seeds produce vigorous vines ideal for teepees, trellises, or fences — perfect for pollinator-friendly, productive gardens.

🛒 What You’ll Need:

Organic Runner Bean ‘Scarlet Emperor’ seeds

Deep pots or open ground

Peat-free compost or well-drained soil

Tall supports (bamboo canes, trellis, wigwam, etc.)

Watering can and mulch (optional)

🌿 Growing & Care Instructions

1. Sowing (Best Apr–Jun)

Sow indoors in April in pots or direct outdoors from May (after last frost).

Sow 5cm deep, one seed per pot or 20cm apart in rows.

Place supports (2m+) at time of sowing — beans climb fast!

2. Germination

Germinates in 7–10 days with warmth.

Keep compost moist and warm (15–18°C) during early growth.

3. Transplanting (If Started Indoors)

Harden off plants before moving outside.

Plant out when about 15cm tall and frost danger has passed.

4. Growing On

Water generously, especially during flowering and pod set.

Mulch to retain moisture and reduce weeds.

Tie young plants to supports if needed until they twine on their own.

5. Feeding

Beans generally don’t need extra feed in fertile soil.

If growth slows, apply an organic liquid feed every 2–3 weeks.

6. Harvesting

Pick pods young and tender (15–20cm long) to avoid stringiness.

Harvest regularly to encourage more pods.

Best enjoyed fresh, but can be frozen after blanching.

From bright blooms to bountiful harvests — ‘Scarlet Emperor’ runner beans are a garden favourite for beauty and yield.

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Runner Bean ‘Scarlet Emperor’ (Organic Seeds)

Seed Information

Growing & Care Instructions

🛒 What You’ll Need:

Organic Runner Bean ‘Scarlet Emperor’ seeds

Deep pots or open ground

Peat-free compost or well-drained soil

Tall supports (bamboo canes, trellis, wigwam, etc.)

Watering can and mulch (optional)

🌿 Growing & Care Instructions

1. Sowing (Best Apr–Jun)

Sow indoors in April in pots or direct outdoors from May (after last frost).

Sow 5cm deep, one seed per pot or 20cm apart in rows.

Place supports (2m+) at time of sowing — beans climb fast!

2. Germination

Germinates in 7–10 days with warmth.

Keep compost moist and warm (15–18°C) during early growth.

3. Transplanting (If Started Indoors)

Harden off plants before moving outside.

Plant out when about 15cm tall and frost danger has passed.

4. Growing On

Water generously, especially during flowering and pod set.

Mulch to retain moisture and reduce weeds.

Tie young plants to supports if needed until they twine on their own.

5. Feeding

Beans generally don’t need extra feed in fertile soil.

If growth slows, apply an organic liquid feed every 2–3 weeks.

6. Harvesting

Pick pods young and tender (15–20cm long) to avoid stringiness.

Harvest regularly to encourage more pods.

Best enjoyed fresh, but can be frozen after blanching.

From bright blooms to bountiful harvests — ‘Scarlet Emperor’ runner beans are a garden favourite for beauty and yield.

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UrbanHarvests

Runner Bean ‘Scarlet Emperor’ (Organic Seeds)

Seed Information

Growing & Care Instructions

🛒 What You’ll Need:

Organic Runner Bean ‘Scarlet Emperor’ seeds Deep pots or open ground Peat-free compost or well-drained soil Tall supports (bamboo canes, trellis, wigwam, etc.) Watering can and mulch (optional)

🌿 Growing & Care Instructions

1. Sowing (Best Apr–Jun)

Sow indoors in April in pots or direct outdoors from May (after last frost). Sow 5cm deep, one seed per pot or 20cm apart in rows. Place supports (2m+) at time of sowing — beans climb fast!

2. Germination

Germinates in 7–10 days with warmth. Keep compost moist and warm (15–18°C) during early growth.

3. Transplanting (If Started Indoors)

Harden off plants before moving outside. Plant out when about 15cm tall and frost danger has passed.

4. Growing On

Water generously, especially during flowering and pod set. Mulch to retain moisture and reduce weeds. Tie young plants to supports if needed until they twine on their own.

5. Feeding

Beans generally don’t need extra feed in fertile soil. If growth slows, apply an organic liquid feed every 2–3 weeks.

6. Harvesting

Pick pods young and tender (15–20cm long) to avoid stringiness. Harvest regularly to encourage more pods. Best enjoyed fresh, but can be frozen after blanching. From bright blooms to bountiful harvests — ‘Scarlet Emperor’ runner beans are a garden favourite for beauty and yield.

Similar Products

My Cart

My Wishlist

Organic Runner Bean ‘Scarlet Emperor’ seeds

Deep pots or open ground

Peat-free compost or well-drained soil

Tall supports (bamboo canes, trellis, wigwam, etc.)

Watering can and mulch (optional)

Sow indoors in April in pots or direct outdoors from May (after last frost).

Sow 5cm deep, one seed per pot or 20cm apart in rows.

Place supports (2m+) at time of sowing — beans climb fast!

Germinates in 7–10 days with warmth.

Keep compost moist and warm (15–18°C) during early growth.

Harden off plants before moving outside.

Plant out when about 15cm tall and frost danger has passed.

Water generously, especially during flowering and pod set.

Mulch to retain moisture and reduce weeds.

Tie young plants to supports if needed until they twine on their own.

Beans generally don’t need extra feed in fertile soil.

If growth slows, apply an organic liquid feed every 2–3 weeks.

Pick pods young and tender (15–20cm long) to avoid stringiness.

Harvest regularly to encourage more pods.

Best enjoyed fresh, but can be frozen after blanching.

From bright blooms to bountiful harvests — ‘Scarlet Emperor’ runner beans are a garden favourite for beauty and yield.