Reviewing
Cosmos 'Sensation' Seeds26 Aug 2026
Can't go wrong with Cosmos
Lovely packet of seeds, bought one for me and one as gift :)
Gareth
Modern Garden Seed Box
A contemporary seed box built for modern UK gardens — bold colour, airy height, structured foliage and plants chosen for impact, form and effortless style.
- Drought Resistant
- Compact for Pots
- Low Maintenance
- Pollinator-Friendly
Modern Garden Seed Box – Quick Growing Guide
The Modern Garden Seed Box offers a curated selection of contemporary garden plants, including architectural perennials and pollinator-friendly seeds. Ideal for UK gardeners seeking stylish, sustainable planting options that thrive from spring through autumn, enhancing both garden structure and biodiversity.
How to Sow, Grow and Harvest Modern Garden Seed Box
- Sow:Mar–Jun, Aug–Oct
- Germination:7–14 days under moist conditions
- Grow:Prefers well-drained soil in full sun to partial shade
- Water:Keep soil consistently moist but not waterlogged
- Harvest:Varies by plant; typically flowers and foliage from late spring to autumn
- Best for:Beds, borders, pots, and pollinator-friendly gardens
Cosmos ‘Sensation’ – bright, tall blooms adding movement and colour
Echinacea ‘Magnus’ – perennial with bold structure and height
Nasturtium ‘Tom Thumb Alaska’ – trailing variegated foliage with cheerful flowers
Oregano ‘Greek’ – aromatic, structured foliage attracting pollinators
Shiso ‘Red Leaf’ – deep red, architectural leaves for striking contrast
Verbena Bonariensis – airy purple stems creating contemporary shapes
This Modern Garden Seed Box features plants chosen for their architectural form, vibrant blooms and ease of growing in UK conditions. Perfect for adding height, texture and pollinator-friendly flowers to contemporary borders or small urban gardens.
Delivered within 2–3 working days. On its own, this item ships standard delivery at £4.50. Sent as a single parcel.
Delivery is priced on the size of your whole order, so adding more may move it into the next band:
- Letterbox delivery — small orders
- £2.25
- Standard delivery — most orders
- £4.50
- Standard delivery (multiple parcels) — large orders
- £7.50
- Free delivery (orders £60 and over)
- Free
Gifting. We can include a handwritten note — add your message at checkout.
More info in our FAQs, or get in touch if something hasn’t arrived.
Grow in Your Garden
Create Your Contemporary Garden with Herboo’s Modern Seed Box
Calendar
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SowFlowers / Harvest
Seed Grow Kit Guide
Begin sowing The Modern Grow Box seeds outdoors from March to June or August to October in a sunny position with well-drained soil. These plants thrive with minimal effort, making them ideal for window boxes, balconies, containers, or garden beds where they can add architectural interest.
Sowing
Sow the seeds directly onto bare, weed-free soil, gently raking the surface to ensure good seed-to-soil contact. A sunny, flat spot will encourage reliable germination during the recommended sowing months.
Growing
Once seedlings emerge, thin them to provide adequate space for growth, supporting their natural height and spread. This helps maintain the clean, contemporary look desired in modern garden settings from May through October.
Plant care
Water the plants moderately, ensuring the soil remains moist but not waterlogged throughout the growing season. Deadhead spent flowers regularly to promote continuous blooming and maintain the sleek, architectural appeal of this pollinator-friendly seed box.
Plants for a Modern Garden
Plants That Define a Contemporary Garden
- Drought Resistant
- Compact for Pots
- Low Maintenance
- Pollinator-Friendly
About Modern Gardening
Ideal for starting or refreshing a design-led garden palette, each variety thrives in full sun with clear sowing instructions. These plants offer long-season interest, architectural form and support pollinators, making them perfect for modern borders and small spaces.
FAQs
Sow March–June for summer height or August–October for autumn foliage interest, spacing seeds so each plant can show off its architectural form.
Use 30 cm-deep pots with free drainage; Verbena and Cosmos enjoy tall planters, while nasturtium and shiso trail nicely from window boxes. It is suited to beds, borders, pots and and pollinator-friendly gardens. Watering: keep soil consistently moist but not waterlogged.
Layer Verbena Bonariensis through the back, cluster Echinacea and Cosmos mid-height, then edge with variegated nasturtium and crimson shiso for contrast.
Once established, oregano, shiso, verbena, and echinacea handle brief dry spells; water deeply when soil is dry 5 cm down to keep the clean lines intact.
Yes — a grow kit gives someone everything needed to start, which makes it a better gift than seed alone for anyone who has not grown from seed before. Sowing runs March to June, and August to October, so a packet given inside that window can go straight in, and one given outside it keeps perfectly well until the season comes round.
On effort it looks after itself, which matters if you are giving it to someone new to growing. It suits beds, borders, pots and and pollinator-friendly gardens, so it works for a small space as well as a garden.
Reviews
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Elsewhere in the range
Recent reviews of other Herboo seeds. These are not ratings of Modern Garden Seed Box.
Reviewing
Foxglove 'Apricot' Seeds20 Aug 2026
Good card gifts
Bought a couple of these as card gifts for friends and they loved them
Flavia
Reviewing
Verbena Bonariensis Seeds12 Mar 2026
Good tips
Liked how you gave tips on how best to sow. nicely done
Joel C.