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
Balcony Garden Seed Box
A curated seed box for small-space gardeners. Designed for balconies, patios and sunny windowsills, with climbing sweet peas, trailing nasturtiums and container-friendly herbs.
- Balcony Friendly
- Compact for Pots
- Drought Resistant
- Needs Extra Care
Balcony Garden Seed Box – Quick Growing Guide
The Balcony Garden Grow Box is ideal for cultivating a variety of compact herbs and salad greens in limited spaces. It supports sowing from early spring to autumn, requiring regular watering and a sunny spot. Harvest fresh leaves within weeks for continuous homegrown flavour.
How to Sow, Grow and Harvest Balcony Garden Seed Box
- Sow:Feb–May
- Germination:Varies by variety, typically 5–21 days
- Grow:Full sun, well-drained soil
- Water:Regular watering to keep soil moist
- Harvest:Leaves ready from 4–6 weeks, pick regularly to encourage growth
- Best for:Balconies, patios, windowsills
Amaranth ‘Red Army’ – striking colour for balcony pots
Calendula ‘Snow Princess’ – long-lasting edible blooms
Nasturtium ‘Gleam Field’ – trailing flowers for vibrant containers
Parsley – versatile herb for balcony kitchens
Poppy ‘Pandora’ – delicate papery flowers in pots
Sweet Pea ‘Royal Family’ – scented climber for small spaces
This seed box features plants perfectly suited to balcony life, including climbers, trailing flowers and herbs that flourish in pots. Ideal for patios, windowsills or any compact outdoor area, it brings colour, scent and fresh herbs to your urban garden.
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
Seed Box for Balcony Gardening: Flowers & Herbs in Containers
Calendar
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
SowFlowers / Harvest
Seed Grow Kit Guide
Begin your Balcony Grow Box indoors between February and May by sowing seeds in peat-free compost-filled pots. Place your containers in a sunny spot to provide the warmth and light these flowers and herbs need for healthy growth.
Sowing
Sow seeds directly into warm, damp, well-drained soil, lightly covering them to aid germination. Keeping the soil consistently moist and in a sunny location will help seeds sprout successfully.
Growing
Once seedlings have emerged, thin them out to prevent overcrowding and ensure strong development in your containers. This is especially important for balcony plants grown in limited space, allowing each plant enough room to flourish during the growing months of June to September.
Plant care
Water your Balcony Grow Box regularly to keep the soil moist but not waterlogged, adjusting as temperatures rise through summer. Pinch back herbs and deadhead flowers to encourage bushier growth and prolong flowering throughout the season, ensuring a vibrant display in your balcony garden.
Plants for a Balcony Garden
Plants Selected to Thrive in Balcony Containers
- Balcony Friendly
- Compact for Pots
- Drought Resistant
- Needs Extra Care
About Balcony Gardening
Balcony gardening is rewarding with the right plants and care. Choose pots with good drainage and provide 4–6 hours of sunlight daily. Regular watering and simple supports for climbers help these varieties flourish, making them perfect for renters or anyone with limited outdoor space.
FAQs
Sow from February to May. Germination: Varies by variety, typically 5–21 days. Watering: regular watering to keep soil moist.
Use 20–30 cm-deep pots with drainage; shallow bowls suit nasturtiums while sweet peas enjoy taller planters with a trellis or balcony wires to climb. It is suited to balconies, patios and windowsills.
Check daily in summer; water when the top 2 cm feel dry and feed fortnightly with a seaweed or tomato feed once calendula, amaranth, and sweet peas set buds.
Group pots so foliage shelters the soil, tie climbers to railings, and mulch with coco coir or pebbles to slow evaporation on exposed decks.
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 February to May, 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 needs some love, which matters if you are giving it to someone new to growing. It suits balconies, patios and windowsills, so it works for a small space as well as a garden.
Reviews
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