October is the month the garden slows down and the gardener works hardest at putting it to bed, and the garden tasks in October are about finishing well. The last tomatoes are picked green or red, garlic goes in for next year, bulbs are planted for spring, and every bed that is cleared gets compost or a green manure so the soil is not left bare all winter. The October skill is not rushing: a bed put to bed properly in October is a bed that is ready in March. This guide splits the work by zone band — cold zones 1–4, temperate zones 5–7, warm zones 8–10, and frost-free zones 11–13. Frost dates are given only as averages and ranges, never as exact dates for a particular place, and zones 11–13 are frost-free, so their calendar runs on heat and rain instead. Before you act on any timing here, check your local extension service for the frost dates and sowing windows that fit your area.
Cold zones 1–4: garlic in, garden to bed, and tender plants inside
In zones 1–4, average first frost dates fall roughly from mid-September to early October, so October is the month the growing season ends outdoors. Seed starting indoors is finished, apart from herbs and microgreens on a windowsill for winter salads.
Direct sowing outdoors is limited to garlic and green manures: plant garlic cloves now, once the soil has cooled, and sow winter rye or field beans on empty beds. Transplanting outdoors is finished, though you can still set out spring bulbs and hardy perennials early in the month. Pruning is light: cut back dead perennial stems, remove dead wood, and do not prune spring-flowering shrubs. Fertilising is finished outdoors: do not feed anything now, or soft growth will be damaged by frost. Pest and disease watch means clearing away diseased plants, removing fallen fruit that can harbour pests, and cleaning up leaves around roses and fruit trees. Watering is easing fast: water containers and fall crops only as needed, water in the morning, and drain hoses and irrigation before frosts arrive. Harvesting is the last big push: lift potatoes, carrots, beets, parsnips and onions, pick winter squash and pumpkins before frost, harvest herbs for drying, and pick the last tomatoes green to ripen indoors. See the carrot growing guide and beet growing guide for lifting and storage. Soil and compost work is central: spread compost on empty beds, sow green manures, turn the heap, collect leaves for leaf mould, and mulch garlic beds. Houseplant care is indoor care again: bring all tender plants inside before frosts, check for pests, wash leaves, place in bright windows, and reduce watering and feeding as growth slows.
Temperate zones 5–7: plant garlic and bulbs, harvest roots, and mulch
Zones 5–7, with average first frost dates generally from mid-October to early November, make October the garlic and bulb month. Seed starting indoors is for herbs on a windowsill only, and for overwintering onions in zone 7.
Direct sowing outdoors covers garlic, broad beans for overwintering in zone 7, and green manures on empty beds. Transplanting is spring bulbs — tulips, daffodils, crocus and alliums — plus hardy perennials and shrubs, planted early in the month so roots establish before frost. Pruning is tidying: cut back dead perennials, deadhead roses for the last time, remove dead wood, and leave seed heads for birds where you can. Our pruning calendar covers the timing. Fertilising is light: feed lawns for autumn growth, feed fall crops lightly, and stop feeding roses and shrubs. Pest and disease watch means slugs on fall greens, clearing diseased material, and checking stored fruit for rot. Watering is easing: water fall crops and containers as needed, water in the morning, and drain hoses before frosts. Harvesting is generous: winter squash, pumpkins, potatoes, carrots, beets, onions, leeks, apples, pears and the last tomatoes and beans, and our harvest date calculator can help judge when squash and roots are ready. Soil and compost work means mulching beds, turning the heap, adding compost, collecting leaves for leaf mould, and sowing green manures. Houseplants come inside in October: check for pests, wash leaves, repot if needed, and reduce watering and feeding as days shorten.
Warm zones 8–10: fall garden in full swing and bulb planting
In zones 8–10, average first frost dates run roughly from mid-November in zone 8 to late December or never in zone 10, so October is still a growing month. Seed starting indoors continues for fall and winter crops: start broccoli, cabbage, cauliflower, lettuce, spinach and herbs indoors for transplanting, and start onions indoors in zones 9–10.
Direct sowing outdoors is broad for cool-season crops: sow lettuce, spinach, kale, radishes, carrots, beets, turnips, peas, broad beans, broccoli and herbs, with succession sowings every two weeks. Transplanting is fall brassicas, lettuce, spinach, kale, onions and herbs, set out in the evening and watered in well. Pruning is light: deadhead flowers, cut back spent summer growth, shape shrubs, and prune roses lightly for a fall flush. Fertilising is for fall crops: feed new transplants lightly, feed containers, and refresh beds with compost. Pest and disease watch means cabbage worms on fall brassicas, aphids, slugs after rain, and fungal diseases in humid weather — check weekly and remove affected leaves. Watering is still needed: water deeply in the morning, mulch thickly, water containers regularly, and water fall sowings gently until established. Harvesting continues: tomatoes, peppers, eggplant, okra, squash, sweet potatoes, herbs and citrus beginning in zone 10, with summer crops giving way to fall crops. Soil and compost work means preparing beds with compost, mulching heavily, keeping the heap moist and turning, and planting spring bulbs in zone 8 late in the month. Houseplants outdoors need regular water and feeding, and October is a good month to repot and divide them.
Frost-free zones 11–13: cool-season sowing and tropical harvests
Zones 11–13 are frost-free, so October has no frost dates to plan around. The work is cool-season sowing as temperatures ease, plus heat and rain management. Seed starting is direct for most crops, but keep starting tomatoes, peppers and eggplant in trays, and sow lettuce, spinach and herbs in the coolest, shadiest beds.
Direct sowing covers beans, corn, squash, cucumbers, melons, okra, sweet potatoes, carrots, beets, lettuce, spinach, peas and herbs, with succession sowings every two weeks. Transplanting is continuous: set out tomatoes, peppers, eggplant, basil, cucumbers, broccoli, cabbage and tropical fruit trees, and plant bananas, papaya and pineapples now. Pruning is shaping and tidying: cut back spent growth, shape fruit trees after harvest, and remove dead wood, always giving plants airflow. Fertilising is steady and light: feed vegetables every few weeks, feed citrus and fruit trees, and use compost tea for a gentle boost. Pest and disease watch is weekly and year-round: aphids, whiteflies, spider mites, caterpillars, fungal spots and fruit flies all need attention. Watering needs care in both directions: water deeply in dry spells, but make sure pots and beds drain freely in heavy rain. Harvesting is abundant: tomatoes, peppers, cucumbers, beans, leafy greens, herbs, citrus, bananas and papaya. Soil and compost work never stops: keep the heap hot and turning, add green waste, and refresh beds with compost. Houseplants outdoors need dividing, repotting and a check for pests and rot in humid weather.
Bulbs, leaves and the October checklist
October is bulb month in zones 1–8: plant tulips, daffodils, crocus, alliums and hyacinths in well-drained soil, at roughly three times the bulb's depth, and label them so you do not dig them up by accident in spring. It is also leaf month: collect fallen leaves, shred them, and pile them for leaf mould, or use them as mulch on beds. Clean and oil tools as you finish with them, drain hoses, and store tender bulbs such as dahlias and cannas in a cool, dry place once frost has blackened their tops.
Frequently asked questions
When should I plant garlic in October?
Plant garlic in October in zones 1–7, once the soil has cooled but before it freezes, so cloves root before winter and sprout in spring. In zones 8–10, plant garlic in October to November, and in zones 11–13 garlic grows poorly without a cold period, so check your local extension service for varieties that suit your area.
What should I sow in October?
In zones 1–4, sow only garlic and green manures. In zones 5–7, sow garlic, broad beans and green manures, and plant spring bulbs. In zones 8–10, sow lettuce, spinach, kale, carrots, peas and herbs for the fall garden. In zones 11–13, sow warm-season and cool-season crops as temperatures ease.
When should I bring tender plants inside in October?
Bring tender plants inside before the first frosts: October in zones 1–4, late October in zones 5–7, and only on cold nights in zones 8–10. Check each plant for pests, wash the leaves, and place them in bright windows before the days shorten.
What can I harvest in October?
In zones 1–4, potatoes, carrots, beets, squash, pumpkins and apples. In zones 5–7, winter squash, pumpkins, potatoes, leeks, apples and pears. In zones 8–10, tomatoes, peppers, okra, sweet potatoes and herbs. In zones 11–13, tomatoes, peppers, beans and herbs all month.
How do I store dahlias and cannas for winter?
Wait until frost blackens the tops, then lift the tubers, cut back stems, dry them for a few days, and store them in a cool, dry, frost-free place in boxes of dry compost or vermiculite. Check them monthly through winter and discard anything soft or mouldy.