Planting
What to Plant in October
The quietest-looking month is one of the busiest. Bulbs across half the map, the south's season opening, and two loud last calls.
October looks like the garden year winding down, and on half the map it is the opposite. This is peak bulb month for the middle zones, the last serious planting weeks for zones 7 and 8, and the month the nearly frost-free south has been waiting for all summer: its version of spring starts now. Only the cold half of the map is genuinely done, and even there October has one honest job left.
As with every month in this series, timing follows our planting calendar and its typical zone frost averages. Your local dates can differ by weeks, so treat each window as a season, not a deadline, and check your own zone's page.
What should I plant in October?
By zone. In zones 5 and 6, bulbs, and this is their last month. In zones 7 and 8, both doors are open: the bulb window opens now, and the fall window for perennials, shrubs, and trees runs through the end of the month. In zones 9 and 10, the cool-season window for everything hardy opens now, with bulbs to follow in November. In zones 3 and 4 planting is finished; the good work left is cleanup. Frost dates vary by weeks, so check yours.
Bulbs: the map's biggest month
October is when the bulb windows overlap most: zones 5 and 6 are finishing the season September opened, and zones 7 and 8 are just starting theirs, which is most of the gardening map planting bulbs in the same month. The full buying-and-planting playbook, waves, depths, deer, and all, is our spring-bulb guide; October's job is simpler. If you are in zones 5 or 6, finish: what is still in the garage goes in the ground this month. If you are in 7 or 8, begin: your soil has finally cooled to where bulbs want it.
Tulipa
October's signature bulb, because it is the one that prefers being planted late: cool ground suits it, and it will even take a November planting in stride. In zones 7 and 8 it goes in now; in 5 and 6 this is the closing bell.
Allium giganteum
Worth singling out this month because the growers' advice is to plant the giant kinds at the front of your window, not the tail: the big bulbs like the whole fall for rooting. Purple spheres in May and June, zones 4 to 8, and deer never touch them.
The bulb that pays this fall
One October shopping tip with instant returns: fat colchicum corms still on sale early this month in a mild zone will often flower almost immediately, the only same-season payoff in the bulb aisle. The full story of the backwards bulb, deadly toxin and all, is in our spring-bulb guide.
Zones 7 and 8: finish the year's best window
September opened the best planting season of the year here, and October closes it: the fall window for perennials, shrubs, roses, and trees runs to the end of the month, with the last stretch of root-growing weather ahead of typical first frost. It is also the last call for bare-root peonies, whose September-and-October window shuts now. Plant, water deeply, and let the mild months do the establishing.
Camellia japonica
The definitive fall planting for zones 7 to 9: an evergreen that flowers January to March, planted now so winter rain settles it before its own bloom season. Give it part shade and acidic soil; on alkaline ground the leaves yellow in protest.
Lagerstroemia
The south's summer signature, zones 6 to 10, planted in fall to establish before its July to September show. The records run from waist-high dwarfs to genuine trees, so match the mature height on the plant page to the spot before you dig.
Rhododendron
A part-shade classic for zones 5 to 9 whose fall planting sets up next April's flowers. If months of bloom matter more than one big flush, the reblooming Encore line, measured in our long-blooming shrubs guide, is often still flowering when you plant it this month.
October by zone, in one table
| Zones | Typical first frost | What October means |
|---|---|---|
| Zones 3 to 4 | Mid to late September | Frost has arrived: planting is done, so lift the tender bulbs, do a light cleanup, and write the spring list. |
| Zones 5 to 6 | Early to late October | Bulbs only, and this is their last month; the perennial window closed in September. |
| Zones 7 to 8 | Early to late November | The big month: bulb planting opens, and the fall window for everything hardy runs to month's end. |
| Zones 9 to 10 | December, or rare to none | The season opens: October and November are your prime planting window for everything hardy. |
Zones 9 and 10: your spring starts now
The nearly frost-free garden spends summer the way zone 4 spends winter, waiting, and October is the release. The cool season that does spring's job here opens now: perennials, shrubs, and trees go in through November, the winter vegetable and flower beds restart, and the mild-winter bulbs, anemones, ranunculus, and freesias, follow in November and December. Planting now hands the whole establishment job to the gentlest months of the year.
Zones 3 and 4: the honorable finish
Hard truth first: with frost typically arriving mid to late September, nothing hardy planted in October has time to root, so the trowel is done. Two jobs still pay. First, lift the tender bulbs, dahlias, cannas, and gladioli, once frost blackens the tops; in the cold zones storage is not optional, it is the only way they see next year. Second, resist the urge to raze the garden: our cleanup guide makes the case for cutting selectively and leaving the best of it standing.
Plant something blooming right now
Wherever a window is open, the nursery benches are honest in October: what is flowering there now will flower in your garden every fall after.
Symphyotrichum
The proof of the planted-in-bloom rule: buy it flowering now and it settles in while showing you exactly what you paid for, then returns bigger every fall. Purple daisies at 3 feet, September and October, zones 3 to 8.
Cyclamen
The quiet specialty: hardy cyclamen carries shell-pink flowers over marbled leaves from September into November, zones 5 to 9, in the dry shade under trees where little else volunteers.
Ilex verticillata
Hardy across zones 3 to 9 and planted this month wherever a window above is still open, this native holly spends the next months proving the point: branches packed with red berries from October into December, long after the leaves drop. You need a male plant nearby for the show; the plant page covers the pairing.
Is October too late to plant perennials?
In zones 3 to 6, yes: the perennial windows there closed in August and September, so hold the plant list for spring. In zones 7 and 8 you have until the end of the month. In zones 9 and 10 you are not late at all; your best window is just opening.
Can I still plant spring bulbs in October?
In most of the map, October is the bulb month: zones 5 and 6 are finishing now, and zones 7 and 8 are just beginning, with November still fine there. Zones 3 and 4 are the exception, since their window closed with September. Our spring-bulb guide has the full schedule.
What about bearded iris and peonies?
Bearded iris is done: its July to September window has closed everywhere, so mark the calendar for next summer. Peonies have one door left: zones 7 and 8 can still set out bare roots this month, while colder zones planted theirs in late summer.
Does planting this late risk the frost?
Less than it seems, in the zones where a window is open. Soil holds warmth for weeks after the air cools, and roots keep growing in ground the frost has not reached, which is exactly the bet fall planting makes. Water deeply at planting and keep the soil moist until rain takes over, and an October planting meets spring already at home.
Design a garden with these plants
Open BloomsEye Studio with this guide's plants ready to drop onto a plan, then watch the whole bed bloom across the year.