Garden · Mistakes to Avoid
Plants & Seeds: Mistakes to Avoid When Buying
By the Nest & Yard editorial teamUpdated 2026-08-094 min read
Our pick: the Thompson & Morgan 100 Daffodil 'Tete-a-Tete' Spring Bulbs — the best Plants & Seeds we tested, from £14.79.
Buying plants and seeds can be a really rewarding experience, but it’s easy to make mistakes that could impact your success – especially when you’re considering options like survival garden seed packs, daffodil bulbs from Thompson & Morgan, or vegetable seed varieties from Scott&Co. or Jon the Gardener. Before you commit to a purchase, think carefully about factors beyond just the seeds themselves, such as the space they'll need and any ongoing costs like potting mix or specialist tools, to ensure you’re setting yourself up for a flourishing garden.
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#1 Pick
Survival Garden Seeds Home Garden Vegetable Seed 30 Variety Pack- Vegetable Growing
Currently unavailable
Pros
- 30 heirloom, non-GMO varieties covering vegetables, herbs and fruit
- Long shelf-life seed vault packaging for storage
- Suits beginner and experienced growers alike
Cons
- Some varieties are bred for US climates rather than the UK

#2 Pick
Thompson & Morgan 100 Daffodil 'Tete-a-Tete' Spring Bulbs- Flower Beds
£14.79
Pros
- Dwarf variety perfect for borders and pots
- Low maintenance and easy to grow
- Naturalises and multiplies year after year
Cons
- Flowers only in spring

#3 Pick
Scott&Co. Vegetable Seeds Variety Pack, 30 Varieties- Vegetable Garden
£10.75
Pros
- 30 varieties of vegetables, beans, herbs and tomatoes in one pack
- Suitable for indoor and outdoor growing
- Good value for a large seed collection
Cons
- Some varieties better suited to experienced growers

#4 Pick
Jon the Gardener Vegetable Seeds for Planting UK, 25 Varieties- Vegetable Growing
Currently unavailable
Pros
- 9,250+ seeds across 25 high-yield varieties
- Heirloom seeds suited to home gardening
- Makes a practical gift set for gardening beginners
Cons
- Some packets have shorter viability once opened
FAQ
I've bought several houseplants recently and they’re all struggling – what am I doing wrong?
Often, the biggest mistake is under-watering or over-watering. Check the soil moisture regularly by sticking your finger an inch or two into the soil; if it feels dry, water thoroughly until it drains from the bottom of the pot.
I ordered a seed kit that was supposed to include everything I needed – but it didn’t! What should I do?
Review the product description carefully before purchasing and check the included contents against the list. If anything is missing, you can usually initiate a return through Amazon's standard returns process.
I bought a large potted plant for my small patio – it’s completely overwhelming! How do I choose plants that fit my space?
Consider the mature size of the plant *and* its eventual spread. Research the plant species beforehand to ensure it won't outgrow its location or require frequent repotting.
I bought a ‘self-watering’ planter, but I still have to water my plants regularly. Is there something wrong?
‘Self-watering’ planters rely on capillary action; if the reservoir is empty, it won't work correctly. Regularly check and refill the reservoir as needed, alongside monitoring your plant’s actual watering needs.
I bought a set of vegetable seeds – they said ‘full packet’ but I received far fewer than I expected.
Always confirm the packet size listed in the product description before buying seeds. Seed packets are often sold by weight, and discrepancies can occur during fulfilment.
My new herb pot didn't come with drainage holes – will this be a problem?
Drainage holes are crucial for preventing root rot; if yours doesn’t have them, you must use a well-draining potting mix and water sparingly.
I bought seeds that said ‘easy to grow’ but they haven't sprouted. What could be the issue?
Seed germination depends on factors like light levels, temperature, and seed age – ensure your seeds are fresh and provide them with adequate warmth and sunlight.
I ordered a collection of bulbs, but the packaging was damaged and some were broken.
Check the product listing for information regarding shipping damage. You can usually report any damage through Amazon’s customer service channels to initiate a return or replacement if available.
I bought a large cactus – how much space do I *really* need to give it?
Cacti often require significantly more space than they appear in a pot, especially as they mature. Allow for several feet of growth around the base of the plant for optimal development.
I've bought a lot of plants and seeds – do I need special potting compost or can I use ordinary garden soil?
Using the correct potting mix is essential for healthy plant growth; general garden soil is too dense and doesn’t provide adequate drainage or aeration for container plants.
In depth
Buying plants and seeds can be incredibly rewarding – bringing life and colour into your home or garden. However, a lack of careful consideration at the outset can lead to disappointment, wasted money, and even struggling specimens. Many UK shoppers fall into common traps when selecting their purchases online, focusing solely on the visual appeal of an image without fully understanding the needs and ongoing costs associated with that particular item. Let’s delve into some of these pitfalls and explore how to ensure a successful start.
One of the most frequent errors is misjudging the space available. It’s easy to be seduced by a vibrant, oversized monstera deliciosa in a glossy photograph, imagining it will thrive majestically in your hallway. However, without considering the mature size – which can easily reach 3 meters tall and 2 meters wide – you'll quickly find yourself battling for room, potentially damaging walls, and struggling to provide adequate light. Before purchasing any plant, meticulously measure the available space, including ceiling height if relevant. Think about future growth; a small succulent purchased today might need a significantly larger pot and brighter conditions within a year or two. For seeds, assess how much growing space you can dedicate – some varieties, like runner beans, require substantial staking and support as they mature. Consider the light levels too; a shade-loving fern will quickly become stressed in a south-facing window.
Another significant oversight is paying attention to features that aren’t actually useful for your needs. Many plants marketed towards beginners boast impressive ‘self-watering’ or ‘automatic’ capabilities, often at a premium price. While these technologies can be beneficial for some, they rarely deliver on their full promise in a typical UK home environment. A ‘self-watering’ planter relies heavily on consistent electricity to power its pump; a prolonged power cut will quickly lead to root rot. Similarly, an ‘automatic’ watering system requires regular refilling and maintenance. Before investing in these features, research the actual operational requirements – are you prepared for the ongoing cost of electricity or the frequent need to top up water reservoirs? When selecting seeds, be wary of varieties heavily promoted as “low-maintenance” without a clear explanation of why; many plants require similar levels of care regardless of their apparent resilience.
It’s equally important to factor in the running costs associated with owning a plant or growing specific seeds. Beyond the initial purchase price, you need to consider ongoing expenses such as potting compost, fertilizer, pest control products, and potentially electricity for grow lights or heating mats. For example, exotic tropical plants often demand significant investment in humidity-raising devices and specialist feeding regimes. Similarly, growing vegetables from seed requires a substantial outlay on seeds themselves, plus the cost of soil, pots, watering equipment, and possibly netting to protect against pests. Don’t underestimate the long-term financial commitment – budgeting for these additional costs will prevent unpleasant surprises further down the line.
Furthermore, many consumers are swayed by headline specifications rather than understanding what truly matters for their specific situation. A particularly large rosemary plant might be touted as ‘perfect for a busy kitchen,’ but this doesn't account for its need for regular pruning or the fact that it thrives best in full sun – conditions often lacking in a frequently used space. Similarly, a seed packet promising “huge yields of tomatoes” might neglect to mention the considerable effort required for staking, feeding, and disease prevention. Focus on the plant’s or seed's core requirements rather than marketing hype. Research the specific needs of your chosen variety – sunlight exposure, soil type, watering frequency, and potential susceptibility to pests and diseases – and ensure you can meet those demands before making a purchase.
Finally, be mindful of the source of your plants and seeds. While large online retailers offer convenience, smaller local nurseries often provide more personalised advice and support. They can assess your garden’s conditions, recommend suitable varieties, and offer guidance on planting and care – something that’s significantly harder to access remotely. When buying seeds, look for reputable suppliers with detailed information about the variety's origins, growing requirements, and germination rates. Consider seed packets from established horticultural societies or specialist seed merchants as they often provide more accurate descriptions than generic supermarket offers. Take advantage of any offered advice – a little research and informed discussion can make all the difference between a flourishing garden and a disappointing one.
The Nest & Yard editorial team
Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-08-09.