A Seasonal Planting Guide: What to Grow Each Month
One of the biggest secrets to gardening success is planting at the right time. Every month offers new opportunities to sow seeds, plant bulbs, and grow fresh flowers, herbs, and vegetables. Whether you’re gardening in the UK, the Isle of Man, or a similar climate, this month-by-month guide will help you stay on track and get the best results from your garden. Use this as your go-to calendar for what to plant, when to sow, and how to keep your garden thriving all year long.
🌼 January – Prep & Early Indoor Starts
January is for planning, preparing soil, and starting hardy seeds indoors.
What to plant:
Indoors: chillies, peppers, aubergines
Outdoors (mild areas): garlic, onion sets
Herbs indoors: basil, chives, parsley on windowsills
Tasks:
Clean tools, plan your layout, buy seeds, warm up soil covers.
🌱 February – Early Starters Begin
Daylight increases, making it perfect for early sowing.
What to plant:
Indoors: tomatoes, sweet peas, celery
Outdoors: broad beans, early peas (under cloches), hardy lettuces
Flowers: pansies, violas, snapdragons indoors
Tasks:
Start seeds in trays, prepare beds if soil isn’t frozen.
🌿 March – The Real Start of the Growing Season
Things start to come alive! March is a busy month for gardeners.
What to plant:
Vegetables: carrots, beetroot, spinach, parsnips
Indoors: cucumbers, courgettes, squash
Flowers: marigolds, sunflowers, cosmos, nasturtiums
Potatoes: first early potatoes go into the ground
Tasks:
Protect young plants from frost; start hardening off seedlings.
🌼 April – Peak Seed-Sowing Month
Warmer weather makes April ideal for sowing almost everything.
What to plant:
Vegetables: lettuce, kale, radishes, spring onions
Flowers: dahlias, zinnias, asters
Herbs: coriander, dill, basil (indoors or sheltered)
Potatoes: second early varieties
Tasks:
Install supports for peas & beans, mulch around perennials.
🌱 May – Planting Out Time
Frost is nearly gone, making this the perfect month for moving plants outdoors.
What to plant:
Vegetables: tomatoes, peppers, cucumbers, courgettes, beans
Flowers: bedding plants, petunias, geraniums, fuchsias
Herbs: basil, mint, thyme, rosemary
Tasks:
Harden off all indoor seedlings. Water consistently and protect from sudden cold nights.
🌿 June – Growth & Warm Weather Planting
Long sunny days mean rapid growth and high yields.
What to plant:
Fast growers: lettuce, radishes, rocket
Herbs: parsley, chives, coriander
Flowers: sunflowers, cosmos, wildflower mixes
Veg: sweetcorn, pumpkins, late carrots
Tasks:
Stake tall plants, begin regular feeding for fruiting crops.
🌞 July – Harvest & Quick Crops
Peak summer! Many crops are ready to pick, and there’s still time to plant more.
What to plant:
Salad crops: lettuce, rocket, chard
Late carrots, beetroot
Herbs: basil, dill, sage
Flowers: marigolds, calendula
Tasks:
Water early in the day; deadhead flowers to encourage new blooms.
🌻 August – Late Summer Planting
Now is the time to sow for autumn and winter crops.
What to plant:
Vegetables: kale, spinach, chard, winter lettuces
Flowers: hardy annuals for next spring (cornflowers, poppies)
Herbs: coriander for a late-season crop
Tasks:
Harvest regularly and prepare soil for autumn sowing.
🍂 September – Cool-Season Crops Begin
Temperatures drop, but the soil is still warm enough for strong growth.
What to plant:
Vegetables: pak choi, winter spinach, mustard greens
Flowers: spring bulbs (daffodils, crocus)
Garlic for next year
Tasks:
Mulch beds, clean up summer crops, divide perennials.
🍁 October – Autumn Planting & Prep
This is the last major planting month of the year.
What to plant:
Flowers: tulips, alliums, hyacinths
Vegetables: broad beans, garlic
Spinach & winter lettuce in sheltered areas
Tasks:
Add compost to beds, plant bulbs deeply, tidy up spent annuals.
❄ November – Put the Garden to Bed
Cold arrives, and growth slows down.
What to plant:
Garlic
Broad beans (autumn varieties)
Winter-hardy salads in cold frames
Tasks:
Add mulch, protect pots from freezing, clean tools.
❄ December – Rest, Plan, Reflect
A quiet gardening month, but still productive in preparation.
What to plant:
Indoors: microgreens, herbs
Outdoors: garlic (if not frozen), winter peas in mild regions
Tasks:
Review what worked, plan next year's layout, order seeds early.
🌼 Final Thoughts
A garden thrives when you plant with the seasons. By knowing what to grow each month, you’ll enjoy a continual cycle of sowing, growing, and harvesting all year long. Whether you’re a complete beginner or expanding your homestead garden, this guide keeps your planting on track and ensures success.
