Raspberry

Rubus idaeus / R. occidentalis

Family Rosaceae

ShrubNative & introducedZones 4-8

Botanical illustration of Raspberry

Raspberries are the reason people start growing fruit: a berry so fragile it barely survives the trip from cane to kitchen, let alone a truck, sold dearly in tiny boxes yet produced by the quart in an ordinary backyard row. Summer-bearing and fall-bearing types can hand you two seasons.

Canes stand 3-6 feet, need only full sun and an average patch of ground, and are self-fertile from the first. Bees, butterflies, and birds all take an interest, so the row is never lonely. Plant a few feet of it and watch the patch politely expand.

Where to buy raspberry — 10 nurseries compared

  • Full Sun
  • Moderate water
  • Fast growth
  • Excellent edible
  • Attracts bees
  • Attracts butterflies
  • 800-1000 winter chill
Raspberry — a print from the Plant Library collection

From the print shop

Growing raspberry? Hang it.

Our Plant Library collection carries raspberry — Rubus idaeus, print Nº 391, “Raspberry.”

526 designsfrom $12.99white or black backgroundmatte poster, unframed

Shop Plant Library botanical prints →

✓

Will it fruit where you are?

Enter your ZIP — we look up your USDA hardiness zone (2023 map) and check it against what raspberry actually needs.

Hardy inZones 4-8
Winter chill800-1000
PollinationSelf-fertile

Raspberry · Common problems

Common raspberry problems

Pests, diseases and weather to keep an eye on.

Pests

7 problems on file

Diseases

3 problems on file

Weather

1 problem on file

Raspberry · Growing & propagation

Growing raspberry

Light, water, soil, propagation and the season’s jobs.
What it needsThe details
Light
Full Sun
Water
Moderate
Soil
Well-drained, Loam · pH 5.5 - 6.5
Fertilizer
Spring & Post-Harvest
Pruning
Winter / After harvest

Reds (Everbearing): Mow for fall crop, or thin for double crop. Blacks: Pinch tips in summer, remove old canes.

Spacing
2-3 ft

Red/Gold), 3-4 ft (Black

How to plant & propagate raspberry

Propagate
Grafted, or from cuttings/layering

Seed won't come true

Raspberry · Harvest & keeping

What you get from raspberry

How long before it bears, how much it gives, how you know it is ready, and how long it keeps once picked.
Botanical illustration of Raspberry
Years to first harvest
1 to 2 years
Typical yield
2–5 lbs
What you eat
Fruit
How to tell it is ready
Berry slips cleanly off the receptacle
How long it keeps
2-3 days fresh

Freezes well

Raspberry · Seasonal care & spray guidance

The raspberry growing playbook

Field-tested instructions for every job raspberry asks of you, compiled from university extension guidance — in the order the season brings them.

When to spray raspberry

Dormant season. Lime Sulfur: Delayed Dormant (Buds showing 1/4 inch green) for Anthracnose and Spur Blight.

While it is dormant

winter, before growth starts

2 jobs
PruningIn winter

Dormant pruning: thin summer-bearing canes to one every 6 inches

While the canes are dormant, take out any old floricanes you missed after harvest, then thin the remaining primocanes to the stoutest ones, leaving about one fruiting cane every 6 inches along the row. Cut winter-killed tips back to live wood. Crowded rows hold rain and dew for hours, and that leaf wetness is what the cane-disease fungi and gray mold need to infect. Thinning trades a few canes for airflow, light, and bigger berries on the canes that remain.

PruningIn winter

Fall-bearing rows: mow every cane to the ground while dormant

If you grow a primocane-fruiting variety and want one clean fall crop, cut all the canes to the ground once they are dormant, with a mower, sharp loppers, or a hedge trimmer. Pull out low trellis wire, twine, drip line, and soil sensors first. Skip this only if you deliberately want the smaller early-summer floricane crop as well. Fall raspberries fruit on the tips of first-year canes, so nothing standing is worth keeping; starting from bare ground gives one big concentrated crop and takes the overwintering cane fungi out of the patch along with the canes.

As growth begins

early spring

2 jobs
FeedingIn spring

Feed established rows in early spring, before growth starts

Before new growth begins, broadcast 4 to 5 pounds of 10-10-10 per 100 feet of row in a 2-foot band down the row, or use 50 to 100 pounds of barnyard manure per 100 feet instead. Go to the heavier end of the range if the row is mulched with sawdust, wood chips, or corn cobs, since the mulch ties up nitrogen as it breaks down. Raspberries carry a heavy crop on a shallow root system and are hungry feeders. Nitrogen delivered at the front of the season goes into building the primocanes that either fruit this fall or overwinter to fruit next summer.

SprayingAt green tip

Cane diseases: liquid lime sulfur as the buds break

Where anthracnose, spur blight, or cane blight showed up last year, spray liquid lime sulfur over the canes as the buds start into growth, while the emerging shoots are still short. These fungi overwinter in lesions on last season's canes and fire spores onto the tender new primocanes during the first wet spells of spring. Lime sulfur burns that overwintering inoculum off the bark before the new growth is exposed to it, which is why the spray only pays if it lands before growth gets away.

While it flowers

at bloom

2 jobs
WateringAt bloom

From flowering to the last picking, 1 to 1.5 inches of water a week

Once the flowers open, keep the planting at 1 to 1.5 inches of water per week until harvest ends, counting rainfall with a rain gauge. Water regularly rather than in occasional heavy soakings. Raspberry roots live in the top two feet of soil, so the plant has no deep reserve to coast on through a dry spell, and this is precisely the window when the berry is sizing. That shallow root system is why regular watering beats an occasional deep soaking.

SprayingAt bloom

Gray mold: the spray that matters goes on at bloom, not at picking

Start when 5 to 10 percent of the flower buds are open, using captan. Spray again about 10 days later with a fungicide from a different FRAC group, and again at full bloom. After that, repeat only if the weather turns wet or the planting has a history of gray mold - do not spray on a fixed calendar through harvest. Botrytis infects through the open flower, not the ripe berry. It colonizes the healthy or senescing flower parts and sits latent inside the young receptacle until the berry sweetens, then erupts as gray mold, so a spray aimed at fruit you can already see is far too late.

Through summer

the growing season

2 jobs
PruningIn summer

Black & purple raspberries: pinch the new canes when they reach knee-to-shoulder height

This is only for BLACK and PURPLE raspberries, not reds. When a first-year primocane reaches about 24-36 inches, snip an inch off its growing tip. Do it through the summer as canes reach that height, cane by cane. Leave red raspberries alone in summer — just water and weed them. Pinching the tip forces the cane to throw side branches, and those laterals carry next year's fruit, so a summer tip means far more berries per cane. Reds do not branch this way and need no summer pruning.

What to watch forThrough summer

Raspberry cane borer: cut out wilting tips the week you see them

Walk the row through the summer watching for primocane tips that suddenly wilt for no reason. Look about 6 inches down from the tip for two rows of punctures girdling the cane roughly half an inch apart, then cut the cane about an inch below the lower ring. Burn the prunings or bag them and get them away from the patch. The female beetle girdles the tip with those two rings and lays her egg in the pith between them. The larva hatches and tunnels downward toward the crown, and a cane left alone can be killed outright. Cutting below the lower ring takes the egg out before it ever hatches.

Harvest time

as it ripens, and picking

1 job
SprayingAs fruit ripens

Spotted wing drosophila: spray as the fruit colours, and mind the wait

Once the first berries start colouring, spinosad (Captain Jack's, Ferti-lome) is the home-garden material. Rotate to another chemical class after two consecutive sprays. SWD saws into sound ripening fruit and lays eggs under the skin, so maggots develop inside berries that look perfect. Treatment must begin when fruit first colours and continue through harvest.

After harvest

autumn, and putting it to bed

1 job
PruningAfter harvest

Cut out the spent floricanes as soon as they finish fruiting

On summer-bearing raspberries, cut every cane that just carried fruit right down to ground level and haul it out of the row. Tell them apart by the dried old fruit clusters at the top and on the laterals; leave the green first-year primocanes standing, because those are next year's crop. A raspberry cane dies after it fruits, and that dead wood is exactly where anthracnose, spur blight and cane blight overwinter and sporulate onto the new primocanes standing beside it. Extension is blunt about this: always remove floricanes after they have produced a crop.

Raspberry · Calculators & field guides

A little help in the garden.

Calculators for the figures. Field guides for the hands-on work.

Raspberry · Yearly calendar

The raspberry year, month by month

What raspberry asks for, month by month.

Jan

PruneJuly to August, then December to February

MonthJanFebMarAprMayJunJulAugSepOctNovDec
Bloom
Prune
Harvest

BloomMarch to August

PruneJuly to August, then December to February

HarvestJune to November

What each band means

  • Bloom — flowers open — pollinators working, frost on blossoms is the danger.
  • Prune — shape it now — cuts heal cleanly and structure is visible.
  • Harvest — picking time — check ripeness every few days.

These are the species' typical months — expect them a few weeks earlier in warm zones and later in cold ones. Watch the plant, not just the calendar.

Raspberry · Ecology & uses

Ecology & uses

What it does for the garden, and what it is grown for.
Botanical illustration of Raspberry

Rubus idaeus / R. occidentalis

Raspberry in the garden system

  • Shrub layer shrub
  • Keystone: Keystone — hosts 140+ caterpillar species
Attracts
Bees, Birds, Butterflies
Moisture
Facultative / average
Deer
Browsed

Protect young plants

Origin
Introduced

What raspberry is grown for

✓ Commonly eaten

Use
Fresh
Use
Jam
Use
Baking
Edible value
5/5

Harvesting & storing raspberry

Summer (Floricane) / Fall (Primocane).

Edibility, identification, and traditional-use notes here are general reference — not medical or veterinary advice, and not a claim that any plant treats or prevents anything. Medicinal ratings record how strongly a plant features in herbal tradition, nothing more. Never eat or dose a plant you have not positively identified. More on how to use this library.

Raspberry · Varieties & cultivars

Best raspberry varieties & cultivars

There are far more than these — the ones below are the named varieties of raspberry people actually plant.

Named varieties of raspberry differ in winter-chill needs, ripening time, hardiness, and whether they set fruit on their own — pick one that fits your climate.

20 varieties

Heritage

Self-fertile

Chill
400–800 hrs
Ripens
Late Aug through frost
Zones
4-9
Disease
moderate; susceptible to Phytophthora root rot on wet soils, so needs well-drained ground
Size
erect 4-6 ft, largely self-supporting

medium firm berries, mild-sweet; excellent for freezing and jam — The benchmark fall-bearer: mow all canes to the ground in late winter for one easy, reliable primocane crop. As a primocane-fruiting type its effective chill requirement is low; published chill figures for raspberries are inexact.

Where to buy ‘Heritage’verified

Story Thyme Farms may earn a small commission from these links, at no cost to you — it never changes what we recommend.

Sources & plant identity

Know what you’re growing.
See where the knowledge comes from.

Botanical illustration of Raspberry

Raspberry

Rubus idaeus / R. occidentalis

The plant, at a glance.

Botanical name
Rubus idaeus / R. occidentalis
Plant family
Rosaceae
Growth habit
Shrub · Perennial
Origin
Introduced
USDA plant symbol
RUID
Invasive risk
Low
Every garden is different.

Hardiness, size and timing vary with your cultivar, soil and climate.

Rooted in research.

University extension research, brought together with hands-on growing experience at Story Thyme Farms.

Explore Raspberry’s sources17 reference links
for Raspberry

Questions

Raspberry questions, answered straight.

Do I need two raspberry plants to get fruit?

No — raspberry is self-fertile, so a single plant will set a crop. A second one usually improves yields, but it isn't required.

Will raspberry fruit in a warm-winter climate?

Raspberry needs roughly 800-1000 hours of winter chill (hours between 32–45°F) to break dormancy and set fruit. Mild-winter growers should count their chill hours before planting.

Is raspberry safe for kids and pets?

Raspberry is commonly eaten and isn't considered toxic, but "commonly eaten" isn't a guarantee for any particular person or animal — allergies, quantity, and which part you eat all matter. Never eat a plant you haven't positively identified, and check with a vet before letting pets or livestock graze anything new.

When do you harvest raspberry?

Summer (Floricane) / Fall (Primocane).

Elsewhere

Where raspberry sits in the library.