# gardenar.co.uk ## Posts - [Hello world!](https://gardenar.co.uk/hello-world/): Welcome to WordPress. This is your first post. Edit or delete it, then start writing! ## Pages - [Garden Watering Calculator in Litres](https://gardenar.co.uk/tools/watering-calculator/): Convert a selected watering depth into litres for a known growing area, with prompts to adjust for rain and soil. - [What to Sow and Plant Each Month in the UK](https://gardenar.co.uk/tools/uk-planting-calendar/): Choose a month, region and growing environment to see cautious sowing, planting, harvesting and garden-task guidance. - [Indoor Seed Starting Date Calculator](https://gardenar.co.uk/tools/seed-starting-calculator/): Work backwards from an intended outdoor planting date to plan a crop-specific indoor seed-sowing window. - [Raised Bed Soil Calculator in Litres](https://gardenar.co.uk/tools/raised-bed-soil-calculator/): Measure the soil volume needed to fill a raised bed and convert the result into litres and bag counts. - [Plant Spacing Calculator for Raised Beds](https://gardenar.co.uk/tools/plant-spacing-calculator/): Estimate how many plants fit in a rectangular garden bed using realistic spacing and useful access margins. - [Mulch Calculator for Garden Beds](https://gardenar.co.uk/tools/mulch-calculator/): Calculate a garden bed or border’s required mulch volume from measured area and intended depth. - [UK Last Frost Risk Planner](https://gardenar.co.uk/tools/last-frost-date-finder/): See an approximate spring frost-risk period and suggested steps before moving tender plants outdoors. - [Vegetable Harvest Window Estimator](https://gardenar.co.uk/tools/harvest-date-calculator/): Estimate a likely harvest window using a selected crop, planting date and the crop’s stated maturity range. - [UK Greenhouse Growing Planner](https://gardenar.co.uk/tools/greenhouse-planting-planner/): Plan crops and seasonal greenhouse tasks by month, UK region and greenhouse heating conditions. - [Garden Area Calculator in Square Metres](https://gardenar.co.uk/tools/garden-area-calculator/): Calculate the area of common garden shapes to plan compost, mulch, planting and other garden materials. - [UK First Frost Risk Planner](https://gardenar.co.uk/tools/first-frost-date-finder/): Estimate when autumn frost could become a concern and plan plant protection before colder nights arrive. - [Garden Fertiliser Quantity Calculator](https://gardenar.co.uk/tools/fertiliser-calculator/): Calculate the quantity of a named fertiliser product from its label application rate and the growing area. - [Vegetable Container Size Guide](https://gardenar.co.uk/tools/container-size-calculator/): Find a starting pot-size range for common vegetables and herbs, with drainage and spacing considerations. - [Compost Calculator for Garden Beds](https://gardenar.co.uk/tools/compost-calculator/): Estimate compost needed for a specified top-dressing depth or container fill, with litre and bag conversions. - [Companion Planting Guide for UK Gardens](https://gardenar.co.uk/tools/companion-plant-finder/): Browse plant combinations with realistic explanations of space use, pollinator attraction and limits of evidence. - [Why Are My Plant Leaves Turning Yellow?](https://gardenar.co.uk/yellow-leaves-on-garden-plants/): Investigate yellow plant leaves by checking watering, root health, light, nutrients, pests and seasonal leaf ageing before choosing a remedy. - [When to Plant Potatoes in the UK](https://gardenar.co.uk/when-to-plant-potatoes-in-the-uk/): Compare first early, second early and maincrop planting windows in Britain, plus chitting, spacing, earthing up and harvesting advice. - [When to Start Seeds Indoors in the UK](https://gardenar.co.uk/when-should-you-start-seeds-indoors/): Work backwards from safe outdoor planting periods to choose indoor sowing windows, with light, warmth and hardening-off considerations. - [Last Frost Dates in the UK: How to Plan Around Frost](https://gardenar.co.uk/when-is-the-last-frost-date-in-the-uk/): Understand why last-frost dates are approximate, how local conditions alter risk and when to protect tender seedlings before planting out. - [How to Grow Onions in the UK](https://gardenar.co.uk/when-and-how-to-plant-onions-in-the-uk/): Compare growing onions from sets and seed in the UK, with planting dates, spacing, bolting prevention, harvesting and curing guidance. - [What to Plant in May in the UK](https://gardenar.co.uk/what-to-sow-in-may-in-the-uk/): Plan May sowing and planting in UK gardens, with guidance on tender seedlings, hardening off and remaining frost risks. - [What to Plant in March in the UK](https://gardenar.co.uk/what-to-sow-in-march-in-the-uk/): Explore March sowing and planting jobs for UK gardens, including hardy crops, soil readiness and protection from late frost. - [What to Plant in June in the UK](https://gardenar.co.uk/what-to-sow-in-june-in-the-uk/): Use June for quick crops, follow-on sowings and summer plant care in the UK, accounting for watering and available space. - [What to Plant in January in the UK](https://gardenar.co.uk/what-to-sow-in-january-in-the-uk/): See realistic January sowing options under cover and essential winter gardening tasks for different UK locations and conditions. - [What to Plant in February in the UK](https://gardenar.co.uk/what-to-sow-in-february-in-the-uk/): Plan early seed sowing, greenhouse preparation and frost-aware February jobs for UK vegetable and flower gardeners. - [What to Plant in April in the UK](https://gardenar.co.uk/what-to-sow-in-april-in-the-uk/): Find April growing jobs for Britain, including hardy outdoor sowing, module raising, planting preparation and protection from cold nights. - [Vegetable Growing Guides for UK Gardens](https://gardenar.co.uk/vegetables/): Grow tomatoes, potatoes, carrots and other vegetables with practical UK sowing, spacing, care and harvest advice. - [UK Vegetable Planting Calendar: Month-by-Month Guide](https://gardenar.co.uk/uk-vegetable-planting-calendar/): Use an easy month-by-month overview of UK sowing, planting and harvesting windows, adjusting for climate, protection and crop variety. - [First Frost Dates in the UK: Preparing Your Garden](https://gardenar.co.uk/uk-first-frost-risk-guide/): Prepare tender crops and containers for autumn frost with region-aware risk windows, forecast checks and practical protection methods. - [Free UK Garden Calculators and Planners](https://gardenar.co.uk/tools/): Measure beds, calculate materials and organise your growing dates with 15 free garden tools. - [How to Test Garden Soil pH at Home](https://gardenar.co.uk/testing-soil-ph-in-a-uk-garden/): Check soil pH using a home test kit or professional laboratory service, understand results and avoid unnecessary soil amendments. - [Website Terms](https://gardenar.co.uk/terms-conditions/): width=device-width,initial-scale=1" name="viewport"/>Website Terms | Gardenar - [Soil, Compost and Mulching Guides](https://gardenar.co.uk/soil-compost/): Improve garden soil, make compost and choose mulches using realistic UK gardening advice and simple measurements. - [How to Plan a Small Greenhouse Layout](https://gardenar.co.uk/small-greenhouse-layout-ideas/): Make a small greenhouse easier to use with safe paths, staging, ventilation, crop supports and space for watering and growing trays. - [What to Plant in September in the UK](https://gardenar.co.uk/september-sowing-guide/): See September planting opportunities and autumn maintenance jobs, including hardy greens, clearing beds and planning winter cover. - [UK Seasonal Planting and Garden Jobs](https://gardenar.co.uk/seasonal-gardening/): Explore month-by-month sowing, planting, harvest and frost-risk guidance for gardening across the UK. - [Search Growing Guides and Tools](https://gardenar.co.uk/search/): Search Gardenar’s crop guides, seasonal advice and free planning tools by keyword or category. - [How to Protect Garden Plants from Frost](https://gardenar.co.uk/protecting-uk-garden-plants-from-frost/): Use fleece, cloches, location choices and forecast checks to reduce frost damage to tender plants in UK gardens and containers. - [How to Grow Garlic in the UK](https://gardenar.co.uk/planting-and-growing-garlic-in-the-uk/): Find out when to plant garlic in Britain, how to choose suitable cloves, avoid waterlogged soil and harvest and cure bulbs. - [Plant Care and Gardening Problems](https://gardenar.co.uk/plant-care/): Troubleshoot watering, leaf symptoms, frost, seedlings and garden pests with practical, evidence-aware advice. - [What to Plant in October in the UK](https://gardenar.co.uk/october-sowing-guide/): Plan garlic and selected autumn planting jobs in October, plus preparing beds, managing fallen leaves and protecting crops. - [What to Plant in November in the UK](https://gardenar.co.uk/november-uk-garden-planting-guide/): Learn which limited planting activities may be suitable in November and how to protect soil, containers and overwintering crops. - [How to Mulch a Garden Bed](https://gardenar.co.uk/mulching-vegetable-and-flower-beds/): Choose suitable organic mulches, apply them at an appropriate depth and keep material away from plant stems to reduce common problems. - [How to Deal with Slugs and Snails in the Garden](https://gardenar.co.uk/managing-slugs-and-snails-naturally/): Reduce damage from slugs and snails through monitoring, barriers, habitat management and targeted UK-appropriate methods. - [What to Plant in July in the UK](https://gardenar.co.uk/july-sowing-guide/): Discover possible July sowings for late-season UK harvests and learn how to manage watering, bolting and summer crop health. - [How to Improve Clay Soil in the UK](https://gardenar.co.uk/improving-heavy-clay-soil/): Improve clay soil structure by adding organic matter, avoiding compaction and choosing appropriate digging and mulching times. - [Overwatering vs Underwatering: How to Tell](https://gardenar.co.uk/how-to-tell-if-a-plant-is-overwatered-or-underwatered/): Compare signs of too much and too little water, assess the actual pot or soil moisture and choose suitable corrective actions. - [How to Start a Vegetable Garden from Scratch](https://gardenar.co.uk/how-to-start-a-vegetable-garden-from-scratch/): Learn the first steps for a beginner vegetable garden: choosing a site, improving soil, selecting reliable crops and planning a manageable first season. - [Small Garden Layout Ideas for UK Homes](https://gardenar.co.uk/how-to-plan-a-small-garden-for-maximum-growing-space/): Make limited outdoor space productive using pots, vertical supports, small beds and realistic light assessments for UK patios. - [How to Plan a Vegetable Garden Layout](https://gardenar.co.uk/how-to-plan-a-raised-bed-vegetable-garden/): Design accessible growing beds and paths in a UK vegetable garden, using sunlight, plant height, crop spacing and water access. - [How to Make Compost at Home](https://gardenar.co.uk/how-to-make-compost-at-home/): Start a home compost heap or bin with a useful mix of plant materials, moisture and air, then learn what to avoid and when compost is ready. - [What Is Peat-Free Compost?](https://gardenar.co.uk/how-to-improve-sandy-soil-for-growing-plants/): Understand what peat-free compost can contain, how to choose a product for different plants and how watering may differ from peat-based mixes. - [How to Improve Sandy Soil for Plants](https://gardenar.co.uk/how-to-improve-clay-soil-naturally/): Help sandy soil retain moisture and nutrients through organic matter, mulching and sensible watering while keeping its natural drainage advantages. - [How to Harden Off Seedlings Before Planting Outdoors](https://gardenar.co.uk/how-to-harden-off-seedlings-before-planting-outdoors/): Help indoor-grown seedlings adapt to outdoor wind, sunlight and temperatures through gradual exposure while watching forecast conditions. - [Growing Tomatoes in the UK: Complete Beginner’s Guide](https://gardenar.co.uk/how-to-grow-tomatoes-in-the-uk-a-complete-beginners-guide/): Learn when to sow UK tomato seeds, choose greenhouse or outdoor varieties, support plants, water consistently and recognise common problems. - [Growing Thyme in a UK Garden](https://gardenar.co.uk/how-to-grow-thyme-in-britain/): Grow thyme in free-draining UK borders or pots, with guidance on light, pruning, propagation and preventing damage from winter wet. - [Growing Sunflowers from Seed in the UK](https://gardenar.co.uk/how-to-grow-sunflowers-from-seed/): Learn when to sow sunflowers in the UK, protect seedlings, provide suitable supports and choose varieties for pots or borders. - [How to Grow Strawberries in Pots](https://gardenar.co.uk/how-to-grow-strawberries-in-pots/): Choose containers and strawberry types, then learn planting position, watering, feeding, runner management and harvesting for UK patios. - [How to Grow Rosemary in the UK](https://gardenar.co.uk/how-to-grow-rosemary-in-the-uk/): Plant rosemary where soil drains well, and learn how much sun it needs, how to prune lightly, and how to protect pots during wet UK winters. - [How to Grow Raspberries in the UK](https://gardenar.co.uk/how-to-grow-raspberries-for-a-bigger-crop/): Understand the difference between summer- and autumn-fruiting raspberries and how to space, support, prune and harvest healthy canes. - [Growing Radishes from Seed in the UK](https://gardenar.co.uk/how-to-grow-radishes-in-the-uk/): Grow fast radish crops from seed with seasonal sowing windows, thinning, soil moisture guidance and solutions for woody or split roots. - [Growing Peas in a UK Garden](https://gardenar.co.uk/how-to-grow-peas-in-a-small-garden/): Learn when to sow garden peas in Britain, how to provide suitable supports, protect seedlings and keep plants cropping through harvest. - [Growing Mint in Pots: Control Spread and Harvest More](https://gardenar.co.uk/how-to-grow-mint-without-letting-it-take-over/): Keep vigorous mint contained in UK gardens by choosing a suitable pot, maintaining moisture, dividing roots and harvesting without exhausting the plant. - [How to Grow Lettuce All Year Round in the UK](https://gardenar.co.uk/how-to-grow-lettuce-all-year-round/): Plan successive UK lettuce sowings for spring, summer and protected autumn growing, including shade, watering and harvesting methods. - [How to Grow Lavender in the UK](https://gardenar.co.uk/how-to-grow-lavender-successfully/): Choose suitable lavender types and free-draining planting spots, then learn watering, pruning and winter care for UK conditions. - [Growing Courgettes in the UK](https://gardenar.co.uk/how-to-grow-courgettes-for-a-bigger-harvest/): Grow courgettes in UK beds and large containers with advice on sowing, frost-safe planting, spacing, flowers, powdery mildew and harvesting. - [Growing Coriander from Seed Without Bolting](https://gardenar.co.uk/how-to-grow-coriander-without-it-bolting/): Sow coriander in succession and reduce premature flowering by managing heat, moisture, root disturbance and harvesting methods. - [How to Grow Carrots in Pots](https://gardenar.co.uk/how-to-grow-carrots-successfully-in-containers/): Choose a suitable pot depth, compost and carrot variety, then learn sowing, thinning, watering and harvesting for UK container gardens. - [Growing Blueberries in the UK](https://gardenar.co.uk/how-to-grow-blueberries-in-the-uk/): Learn to grow blueberries in containers using ericaceous growing media, suitable water and winter care, with guidance on pollination and pruning. - [Growing Blackberries in the UK](https://gardenar.co.uk/how-to-grow-blackberries-without-losing-control-of-them/): Grow manageable blackberries with appropriate support wires, training, summer care, pruning spent canes and picking ripe fruit. - [How to Grow Basil in the UK](https://gardenar.co.uk/how-to-grow-basil-indoors-and-outdoors/): Grow basil successfully on a bright windowsill, sheltered patio or in a greenhouse, with warm sowing conditions, pinching and harvesting tips. - [Growing Gooseberries in the UK](https://gardenar.co.uk/how-to-grow-and-prune-gooseberries/): Plant and care for gooseberries in a UK garden, including suitable spacing, annual pruning, sawfly checks and safe harvesting. - [How Often Should You Water Vegetables in the UK?](https://gardenar.co.uk/how-often-should-you-water-a-vegetable-garden/): Decide when vegetables need watering by checking soil, weather, crop stage and container conditions instead of following a rigid daily schedule. - [How Much Soil Does a Raised Bed Need?](https://gardenar.co.uk/how-much-soil-do-i-need-for-a-raised-bed/): Calculate soil volume for a raised bed from length, width and fill depth, then convert cubic metres into litres and bag quantities. - [How Deep Should a Raised Garden Bed Be?](https://gardenar.co.uk/how-deep-should-a-raised-garden-bed-be/): Understand how bed depth affects rooting, drainage and accessibility, and choose suitable dimensions based on the existing soil below. - [Herb Gardening in the UK](https://gardenar.co.uk/herbs/): Learn to grow basil, mint, rosemary, coriander, parsley and thyme in pots, borders and small UK gardens. - [UK Growing Guides](https://gardenar.co.uk/guides/): Find UK growing guides by crop, season and garden task, with practical advice for beds, pots and allotments. - [Container Gardening for Beginners in the UK](https://gardenar.co.uk/growing-vegetables-in-containers/): Set up productive containers for UK patios and balconies by matching crop size, pot volume, drainage, growing medium and watering needs. - [How to Grow Parsley in Pots](https://gardenar.co.uk/growing-parsley-in-containers/): Learn how to sow flat-leaf and curly parsley, select an adequately deep container, water consistently and harvest leaves over time. - [How to Grow Marigolds in the UK](https://gardenar.co.uk/growing-marigolds-in-pots-and-beds/): Grow colourful marigolds from seed with tips on sowing, frost-safe planting, container care, deadheading and common growing problems. - [Growing Cucumbers in the UK: Greenhouse or Outdoors?](https://gardenar.co.uk/growing-cucumbers-in-a-greenhouse-vs-outdoors/): Compare greenhouse and outdoor cucumbers for UK conditions, including suitable varieties, supports, feeding, watering and pollination considerations. - [Apple Trees for Small UK Gardens](https://gardenar.co.uk/growing-apple-trees-in-small-uk-gardens/): Choose apple rootstocks and cultivars for a small British garden, with practical advice on pollination, planting, pruning and fruit management. - [How to Improve Garden Soil Drainage](https://gardenar.co.uk/garden-soil-drainage-solutions/): Diagnose poor drainage before changing soil, and compare options such as organic matter, raised beds and site management. - [Garden Planning and Raised Beds](https://gardenar.co.uk/garden-planning/): Design raised beds, containers, vegetable plots and greenhouse layouts using practical measurements and sensible layouts. - [Growing Fruit in UK Gardens](https://gardenar.co.uk/fruit/): Grow strawberries, berries and fruit trees in British gardens and containers with clear planting and care guides. - [Flowers and Pollinators for UK Gardens](https://gardenar.co.uk/flowers/): Discover flowering plants, sowing methods and pollinator-friendly choices for small British gardens. - [Our Editorial Approach](https://gardenar.co.uk/editorial-policy/): width=device-width,initial-scale=1" name="viewport"/>Our Editorial Approach | Gardenar - [Gardening Disclaimer](https://gardenar.co.uk/disclaimer/): width=device-width,initial-scale=1" name="viewport"/>Gardening Disclaimer | Gardenar - [What to Plant in December in the UK](https://gardenar.co.uk/december-garden-jobs/): Understand what can realistically be planted or prepared in December, with emphasis on winter protection and next season’s plans. - [Cookie Policy](https://gardenar.co.uk/cookie-policy/): width=device-width,initial-scale=1" name="viewport"/>Cookie Policy | Gardenar - [Contact Gardenar](https://gardenar.co.uk/contact/): width=device-width,initial-scale=1" name="viewport"/>Contact Gardenar | Gardenar - [Compost vs Topsoil: What’s the Difference?](https://gardenar.co.uk/compost-vs-topsoil-whats-the-difference/): Understand the different jobs of compost and topsoil when filling beds, improving existing soil and creating a reliable growing medium. - [How to Build a Raised Garden Bed](https://gardenar.co.uk/building-a-raised-vegetable-bed/): Plan a practical raised garden bed by choosing a suitable position, durable materials, drainage, access width and safe construction methods. - [The Gardenar Growing Library](https://gardenar.co.uk/blog/): Explore all 66 Gardenar articles, from starting seeds and planning beds to caring for crops through the UK seasons. - [Easy Flowers to Grow from Seed in the UK](https://gardenar.co.uk/best-flowers-to-grow-from-seed-in-the-uk/): Explore reliable annual flowers for UK beginners, with simple sowing methods, spacing, aftercare and flowering-season expectations. - [Flowers for Bees and Butterflies in the UK](https://gardenar.co.uk/best-flowers-for-bees-and-pollinators/): Plan pollinator-friendly garden flowers for multiple seasons, considering nectar access, planting diversity and avoiding pesticide harm. - [Best Flowers for Small UK Gardens](https://gardenar.co.uk/best-flowers-for-a-small-uk-garden/): Select flowers for compact British gardens by sunlight, mature size, flowering season and container suitability without overcrowding. - [What to Plant in August in the UK](https://gardenar.co.uk/august-sowing-guide/): Plan August sowing for autumn greens, manage ripening summer crops and prepare beds for cooler weather in UK gardens. - [About Gardenar](https://gardenar.co.uk/about/): width=device-width,initial-scale=1" name="viewport"/>About Gardenar | Gardenar - [Gardenar Home](https://gardenar.co.uk/gardenar-home/): Practical UK gardening advice, seasonal planting guides and free calculators to help plan beds, grow crops and care for plants with confidence. 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