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
White Blooms Seed Set
complete wonder for white blooms.
Enjoy a set of blooming white flowers to bring your garden space to life. Perfect seeds to grow in your pots, a front door or in a garden bed.
Only 5 left
- Cut Flowers
- Pollinator-Friendly
- Compact for Pots
- Low Maintenance
Only 5 left
White Blooms Seed Set – Quick Growing Guide
This White Blooms Seed Set offers a selection of easy-to-grow white flower seeds perfect for brightening your garden. Sow from spring to early autumn for best results. These white garden flowers thrive in full sun to partial shade, requiring regular watering and rewarding you with blooms ideal for beds and pots.
How to Sow, Grow and Harvest White Blooms Seed Set
- Sow:Mar–Jun
- Germination:Varies by variety, typically 5–21 days
- Grow:Full sun to partial shade, well-drained soil
- Water:Keep soil moist but not waterlogged
- Harvest:Pick blooms as they open to encourage more flowers
- Best for:Pots, beds, windowsills
Cosmos 'Purity', Ammi Majus, Gaura
Inspired by the white garden at Sissinghurst, this seed set features easy-to-grow white blooms like Cosmos 'Purity', Ammi Majus and Gaura. Ideal for garden beds, pots or borders, these open-pollinated seeds bring timeless beauty and pollinator-friendly flowers to your outdoor space.
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 White Flower Garden with Herboo’s White Blooms Seed Set
Calendar
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SowFlowers / Harvest
How to Sow Your Seeds
Begin your White Blooms Seed Set indoors on a warm windowsill in March through June, ensuring the seeds are sown in well-drained soil with plenty of sunlight. These annual and perennial plants thrive in sunny spots such as balconies, containers, or garden beds, requiring minimal effort to look after themselves.
Sowing
Sow the seeds about 3mm deep into a small tray filled with compost and water them in thoroughly. Cover the tray with a clear container to maintain warmth, which is essential for germination on a warm windowsill.
Growing
Once seedlings have emerged, thin them out to give each plant enough space to flourish, especially if growing in containers or garden beds where spread may be limited. This step helps maintain healthy growth through the growing months of June to October.
Plant care
Water the plants regularly during the summer and autumn months to keep the soil consistently moist but not waterlogged. Deadhead spent flowers to encourage prolonged blooming and maintain the tidy appearance of your white flower garden. Given their low maintenance nature, these flowers will reward you with continuous white blooms with minimal fuss.
Seeds for a White Bloom Garden
Perfect for pots and garden beds, these white flowers are excellent cut flowers, attract pollinators, and bloom in late summer.
- Cut Flowers
- Pollinator-Friendly
- Compact for Pots
- Low Maintenance
The White Bloom Story
Vita Sackville-West’s vision for Sissinghurst Gardens included serene grey foliage punctuated by towering white blooms. This seed set captures that spirit with plants like Cosmos 'Purity' and Ammi Majus, which bring vertical interest and delicate textures. These varieties are well suited to UK gardens and add structure and softness alike.
FAQs
Sow from March to June. Germination: Varies by variety, typically 5–21 days. Watering: keep soil moist but not waterlogged.
Yes, they thrive in pots and garden borders. It is suited to pots, beds and windowsills. This is a perennial, so one sowing keeps going year after year rather than needing to be repeated each spring.
Absolutely, they attract bees and butterflies. Harvest: Pick blooms as they open to encourage more flowers. Flowering runs June to October.
Yes — a seed set is one of the easier gifts to get right for someone who gardens, because it arrives as a collection rather than a single variety. Sowing runs March to June, 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 pots, beds and windowsills, so it works for a small space as well as a garden. Being a perennial, it carries on year after year rather than finishing in one season — the gift lasts longer than the summer.
Reviews
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Elsewhere in the range
Recent reviews of other Herboo seeds. These are not ratings of White Blooms Seed Set.
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Good tips
Liked how you gave tips on how best to sow. nicely done
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