Best Penstemon Flower Seeds of 2026

Name: Plant World Seeds Penstemon Tubaeflorus Perennial Flower Seeds
Brand: Plant World Seeds

Toby Butcher

Last Updated: 5 Feb 2026

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Penstemon flower seeds are a popular choice for gardeners who are looking to add a burst of colour to their outdoor space. These seeds are easy to grow and produce vibrant, bell-shaped flowers that come in a range of colours including pink, red, purple, and blue. Penstemons are also known for their ability to attract pollinators such as bees and butterflies, making them a great addition to any garden. With proper care, these flowers can bloom from early summer to late autumn, providing a long-lasting and beautiful display. Gardeners of all levels can benefit from adding penstemon flower seeds to their collection.

At a Glance: Our Top Picks

#TOP 1

Plant World Seeds Penstemon Tubaeflorus Perennial Flower Seeds

9.9

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#TOP 2

Plant World Seeds Penstemon Hirsutus 'Blue Foam'

9.8

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#TOP 3

Plant World Seeds Penstemon Digitalis 'Husker Red'

9.6

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Top 9 Penstemon Flower Seeds

#TOP 1

Plant World Seeds Penstemon Tubaeflorus Perennial Flower Seeds

Plant World Seeds

Plant World Seeds - Penstemon Tubaeflorus Seeds (Perennial Flower Seeds)

The Penstemon Tubaeflorus Seeds from Plant World Seeds offer a delightful addition to your garden. Supplied in genuine branded packets, you can expect high quality and reliability. These seeds will grow into tall plants, reaching heights of 40-80cm, providing a stunning display of ivory-white tube-shaped flowers in late spring. With around 30 seeds per packet, you'll have plenty to create a vibrant perennial border. Plus, their resilience means they can survive harsh winters, ensuring beauty year after year.

9.9

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What We Like

High-quality branded seeds
Tall and impressive flowers
Attracts early season butterflies
Survives severe winters
Approximately 30 seeds per packet

#TOP 2

Plant World Seeds Penstemon Hirsutus 'Blue Foam'

Plant World Seeds

Plant World Seeds - Penstemon Hirsutus 'Blue Foam' Seeds (Perennial Flower Seeds)

The Penstemon Hirsutus 'Blue Foam' from Plant World Seeds is an attractive addition to any garden. Supplied in genuine Plant World Seeds branded packets, you can trust the quality of these seeds. Growing to a height of 37.5-45cm, these perennial flowers are perfect for brightening up your garden space. The lovely pale purple, tubular flowers bloom in spring and early summer, adding a delightful touch to your landscape. These seeds are native to the mountainous regions of the USA, ensuring they bring a unique charm to your flower beds.

9.8

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What We Like

High-quality branded seeds
Attractive pale purple flowers
Compact growth for garden spaces
Spring and summer blooming

#TOP 3

Plant World Seeds Penstemon Digitalis 'Husker Red'

Plant World Seeds

Plant World Seeds - Penstemon Digitalis 'Husker Red' Seeds (Perennial Flower Seeds)

The Husker Red Seeds from Plant World Seeds offer a delightful addition to your garden. With a height of 60-90cm, these plants can create striking visual interest. Each packet contains approximately 150 seeds, providing you with ample opportunity to cultivate a stunning display. The unique beetroot-coloured stems and foliage provide a superb backdrop for the lovely pastel pink tubular flowers, making it easy to create beautiful contrasts in your flower beds.

9.6

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What We Like

Unique colour variation
Ample seed quantity
Height adds visual interest
Beautiful pastel pink flowers
Genuine branded product

#TOP 4

Plant World Seeds Penstemon Mixed Perennial Seeds

Plant World Seeds

Plant World Seeds - Penstemon Species Mixed Seeds (Perennial Flower Seeds)

The Plant World Penstemon Seeds offer a fantastic selection of perennial flowers that will enhance any garden. Supplied directly from Plant World Seeds UK, these genuine packets contain over 120 seeds, ensuring you have plenty to cultivate. With a height ranging from 15 to 60 cm, these plants are perfect for both rockery and border displays. They thrive in low fertility soil and require minimal summer watering, making them ideal for dry gardens. Enjoy a vibrant display of tubular flowers that bloom all summer long.

9.4

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What We Like

Genuine UK sourced seeds
Wide selection of varieties
Ideal for dry gardens
Low maintenance requirements
Long summer flowering period

#TOP 5

Plant World Seeds Yellow Penstemon Seeds

Plant World Seeds

Plant World Seeds - Penstemon Confertus Seeds (Perennial Flower Seeds)

The Plant World Seeds Penstemon offers genuine seeds straight from Plant World Seeds UK, ensuring high quality for your gardening needs. This rare perennial flower, commonly known as Yellow Penstemon, features stunning spikes of true lemon-yellow blooms that will brighten any garden. With a height ranging from 20 to 50 cm, it fits well in various garden spaces. Each packet contains approximately 20 seeds, giving you a great opportunity to cultivate this unique flower in your own garden.

9.2

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What We Like

High-quality seeds from UK
Rare and unique flower
Beautiful lemon-yellow blooms
Easy to grow
Suitable for various garden spaces

#TOP 6

Plant World Penstemon Amelia Jane Seeds

Plant World Seeds

Plant World Seeds - Penstemon Hybrid Amelia Jane Seeds (Perennial Flower Seeds)

The Penstemon Amelia Jane Seeds from Plant World Seeds are a delightful choice for your garden. These seeds produce flowers that resemble foxgloves, adding a charming touch to your outdoor space. With a height ranging from 50cm to 1.0m, they fit perfectly in various garden designs. You can expect around 30 seeds in each packet, providing ample opportunity to create stunning displays. Their long flowering period from May to September not only enhances your garden's beauty but also attracts beneficial pollinators like bumblebees.

9.1

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What We Like

Attractive foxglove-like flowers
Long flowering period
Great for pollinators
Suitable for various garden styles
Easy to grow in well-drained soil

#TOP 7

Plant World Seeds Penstemon Hirsutus VAR Pygmaeus

Plant World Seeds

Plant World Seeds - Penstemon Hirsutus VAR Pygmaeus Seeds (Perennial Flower Seeds)

Plant World Seeds Penstemon Hirsutus Seeds offer a delightful addition to any garden. Supplied directly from Plant World Seeds UK, these seeds come in genuine branded packets, ensuring quality. With a height of 25-35cm, this dwarf plant is perfect for limited spaces, making it easy for you to create stunning displays. You can expect over 100 seeds per packet, allowing for multiple planting opportunities. In spring, the plants bloom with long, pink trumpets that will enhance your garden's beauty.

8.9

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What We Like

High seed count per packet
Low growing height
Vibrant spring flowers
Quality branded seeds

#TOP 8

Plant World Seeds Penstemon Mexicanus Perennial

Plant World Seeds

Plant World Seeds - Penstemon Mexicanus Seeds (Perennial Flower Seeds)

The Penstemon Mexicanus Seeds from Plant World Seeds are a delightful addition to any garden. These genuine seeds come in branded packets, ensuring quality. With a height of 30-40cm, they are perfect for adding colour without overwhelming your space. Expect beautiful purple bell-shaped flowers that bloom over a long period during early and mid-summer, providing vibrant beauty for your garden. They thrive in well-drained sandy soil, allowing you to create a stunning display with ease.

8.8

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What We Like

Genuine branded packets
Beautiful purple flowers
Long blooming period
Suitable for various garden settings

#TOP 9

Plant World Seeds Penstemon 'Sunburst Ruby'

Plant World Seeds

Plant World Seeds - Penstemon 'Sunburst Ruby' Seeds (Perennial Flower Seeds)

Plant World Seeds Penstemon 'Sunburst Ruby' offers a delightful addition to your garden. Supplied directly from Plant World Seeds UK, these genuine packets ensure quality. With a height of 30-45cm, they are perfect for borders or pots. This hardy plant blooms from early summer to late autumn, providing a vibrant display of bright red flowers with a charming white throat. You will enjoy a continuous floral show that enhances your outdoor space throughout the growing season.

8.8

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What We Like

Long flowering period
Hardy and resilient
Beautiful bright red flowers
Ideal for various garden settings
Quality assured from UK supplier

Editor's Notes

During our penstemon flower seed research, we found 13 penstemon flower seed products and shortlisted 9 quality products. We collected and analyzed 2,146 customer reviews through our big data system to write the penstemon flower seeds list. We found that most customers choose penstemon flower seeds with an average price of £2.84.

The penstemon flower seeds are available for purchase. We have researched hundreds of brands and picked the top brands of penstemon flower seeds, including Plant World Seeds and more.

Written by

Toby Butcher

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.