Sweet Peas (September indoor sowing for deep winter roots)
Carrots, Beetroot, Parsnips
Peas & Broad Beans
Apple, Pears, Plums
Summer Bulbs & Tubers(Start in September)
Hedging & Shrubs
Potatoes
Daffodils
Griselinia
Harvest (July)
Crocuses
Laurel
Harvest Maincrop Potatoes (Aug/Sept)
Hyacinths
Escallonia
TIP: Cut away potato foliage (blight protection) in late August if it starts to yellow, leaving the tubers in the ground for two weeks to set their skins before digging up.
Alliums
Privet
Snowdrops
Lavender (Prune back lightly after flowering in August to keep it neat)
Wildlife to Spot
Garden Jobs for kids
Bumblebees on sunny days
The Great Fruit Harvest
Butterflies
Harvest Sunflower seeds
Hedgehogs
Seed saving challenge
Swallows and House Martins
Carve a growing pumpkin
Dragonflies and Damselflies
Give the Big Plants a Drink
🌱 Natural Pest Control Plants for Irish Gardens (Continue Sowing & Autumn Planting)
🌿 Plant
🐛 Natural Pest Control
🌼 Best Companion Plants
Calendula
Continues acting as a trap crop while attracting pollinators
Most vegetables
Coriander
Continues attracting beneficial insects
Pease, Beans, Broccoli
Dill
Attracts hoverflies & parasitic wasps
Brassicas, Cucumbers
Lavender (September planting)
Repels flies, mosquitoes & slugs
Roses, Herbs
Goldenrod (September planting)
Late nectar source attracting beneficial insects
Wildlife gardens
🌼 Main Companion Planting Season
🌿 Plant
🤝 Companion Plants
🌟 Benefits
Tomatoes
Basil • Marigolds • Sweet Alyssum • Chives
Continue protecting plants while encouraging pollination.
Cucumbers
Nasturtiums • Lettuce
Continue attracting pollinators and shading the soil.
Squash
Beans • Nasturtiums
Supports heavy summer growth.
Peppers
Calendula • Spinach
Encourages beneficial insects and keeps weeds down.
Seasonal Tip Watering and harvesting are your main acts of love, right. Courgettes and beans will stop producing if you let them go to seed, so pick them every few days. As September draws to a close, start clearing away spent summer crops and mulch the bare soil to keep it rich and protected for the winter.
Did you know? Pumpkins are actually a giant fruit, not a vegetable. Because they hold seeds inside them, they belong to the berry family (botanically speaking). The heaviest pumpkin ever grown in Ireland weighed over 600 kg – that’s heavier than a whole grand piano!
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