Zagreb and continental Croatia planting calendar
Warm, sometimes dry summers suit tomatoes, peppers and cucurbits; spring and autumn are reliable for cool-season crops. Frost-free season about 188 days.
Climate assumptions
Approximately USDA zone 7b; continental climate with warm summers and cold winters.
Average last spring frost: Apr 15 ± 14 days
Average first autumn frost: Oct 20 ± 14 days
Status: limited support: estimate derived from frost dates, confirm locally.
Caveats
- Late frosts in late April are possible in low-lying areas.
- Summer heat waves require consistent irrigation and mulch.
- Regional calendar is an estimate derived from frost dates; confirm with local agricultural advisory data.
A hardiness zone describes winter minimum temperature; it is one input, not a vegetable planting schedule. Why frost dates matter more →
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Warm-season crops (20)
BasilOcimum basilicum
BorageBorago officinalis
BuckwheatFagopyrum esculentum
Bush beansPhaseolus vulgaris
CornZea mays
CosmosCosmos bipinnatus
CucumberCucumis sativus
EggplantSolanum melongena
French marigoldTagetes patula
MelonCucumis melo
NasturtiumTropaeolum majus
OkraAbelmoschus esculentus
PepperCapsicum annuum
Pole beansPhaseolus vulgaris / P. coccineus
PumpkinCucurbita pepo / C. maxima
SunflowerHelianthus annuus
Sweet potatoIpomoea batatas
TomatoSolanum lycopersicum
Winter squashCucurbita maxima / C. moschata / C. pepo
ZucchiniCucurbita pepo| Plant | Start indoors | Direct sow | Autumn sow | Transplant | Tend | Harvest |
|---|---|---|---|---|---|---|
| Basil | Mar 4–Mar 18 (estimate) | Apr 29–May 27 (estimate) | — | Apr 29–May 13 (estimate) | May 27–Jun 18 (estimate) | Jun 18–Oct 20 (estimate) |
| Borage | — | Apr 15–May 13 (estimate) | — | — | May 13–Jun 4 (estimate) | Jun 4–Oct 20 (estimate) |
| Buckwheat | — | Apr 22–Jun 24 (estimate); Jun 24–Sep 6 (estimate) | — | — | — | May 22–Oct 20 (estimate) |
| Bush beans | — | Apr 22–Jun 10 (estimate); Jun 10–Aug 17 (estimate) | — | — | — | Jun 11–Oct 20 (estimate) |
| Corn | — | Apr 22–May 13 (estimate) | — | — | May 13–Jun 26 (estimate) | Jun 26–Aug 30 (estimate) |
| Cosmos | Mar 11–Mar 25 (estimate) | Apr 22–May 13 (estimate) | — | Apr 22–May 6 (estimate) | May 13–Jun 16 (estimate) | Jun 16–Oct 20 (estimate) |
| Cucumber | Mar 18–Mar 25 (estimate) | Apr 22–May 13 (estimate) | — | Apr 22–May 6 (estimate) | May 13–Jun 11 (estimate) | Jun 11–Sep 2 (estimate) |
| Eggplant | Feb 4–Feb 18 (estimate) | — | — | Apr 29–May 13 (estimate) | May 13–Jul 3 (estimate) | Jul 3–Oct 20 (estimate) |
| French marigold | Mar 4–Mar 18 (estimate) | Apr 22–May 13 (estimate) | — | Apr 22–May 6 (estimate) | May 13–Jun 11 (estimate) | Jun 11–Oct 20 (estimate) |
| Melon | Mar 18–Mar 25 (estimate) | Apr 29–May 13 (estimate) | — | Apr 29–May 13 (estimate) | May 13–Jul 8 (estimate) | Jul 8–Sep 1 (estimate) |
| Nasturtium | Mar 18–Apr 1 (estimate) | Apr 22–May 13 (estimate) | — | Apr 22–May 6 (estimate) | May 13–Jun 1 (estimate) | Jun 1–Oct 20 (estimate) |
| Okra | Mar 18–Mar 25 (estimate) | May 6–May 20 (estimate) | — | May 6–May 20 (estimate) | May 20–Jun 30 (estimate) | Jun 30–Oct 20 (estimate) |
| Pepper | Feb 4–Feb 18 (estimate) | — | — | Apr 29–May 13 (estimate) | May 13–Jun 28 (estimate) | Jun 28–Oct 20 (estimate) |
| Pole beans | — | Apr 22–May 13 (estimate) | — | — | May 13–Jun 21 (estimate) | Jun 21–Oct 20 (estimate) |
| Pumpkin | Mar 25–Apr 1 (estimate) | Apr 22–May 6 (estimate) | — | Apr 22–May 6 (estimate) | May 6–Jul 21 (estimate) | Jul 21–Sep 24 (estimate) |
| Sunflower | — | Apr 22–May 20 (estimate) | — | — | May 20–Jul 1 (estimate) | Jul 1–Sep 11 (estimate) |
| Sweet potato | — | — | — | May 6–May 27 (estimate) | May 27–Aug 4 (estimate) | Aug 4–Oct 8 (estimate) |
| Tomato | Feb 18–Mar 4 (estimate) | — | — | Apr 22–May 6 (estimate) | May 6–Jun 21 (estimate) | Jun 21–Oct 20 (estimate) |
| Winter squash | Mar 18–Mar 25 (estimate) | Apr 22–May 6 (estimate) | — | Apr 22–May 6 (estimate) | May 6–Jul 16 (estimate) | Jul 16–Sep 14 (estimate) |
| Zucchini | Mar 18–Mar 25 (estimate) | Apr 22–May 13 (estimate) | — | Apr 22–May 6 (estimate) | May 13–Jun 6 (estimate) | Jun 6–Oct 20 (estimate) |
Cool-season crops (31)
ArugulaEruca vesicaria subsp. sativa
BeetBeta vulgaris
Bok choyBrassica rapa subsp. chinensis
BroccoliBrassica oleracea var. italica
Brussels sproutsBrassica oleracea var. gemmifera
CabbageBrassica oleracea var. capitata
CalendulaCalendula officinalis
CarrotDaucus carota subsp. sativus
CauliflowerBrassica oleracea var. botrytis
CeleryApium graveolens var. dulce
CilantroCoriandrum sativum
CollardsBrassica oleracea var. viridis
DillAnethum graveolens
Florence fennelFoeniculum vulgare var. azoricum
GarlicAllium sativum
KaleBrassica oleracea var. sabellica
KohlrabiBrassica oleracea var. gongylodes
LeekAllium ampeloprasum (Porrum Group)
LettuceLactuca sativa
Mustard greensBrassica juncea
OnionAllium cepa
ParsleyPetroselinum crispum
ParsnipPastinaca sativa
PeasPisum sativum
PotatoSolanum tuberosum
RadishRaphanus sativus
SpinachSpinacia oleracea
Sweet alyssumLobularia maritima
Swiss chardBeta vulgaris subsp. vulgaris (Cicla Group)
TurnipBrassica rapa subsp. rapa
White cloverTrifolium repens| Plant | Start indoors | Direct sow | Autumn sow | Transplant | Tend | Harvest |
|---|---|---|---|---|---|---|
| Arugula | — | Mar 18–May 6 (estimate); May 6–Sep 11 (estimate) | Aug 25–Sep 29 (estimate) | — | — | Apr 12–Nov 11 (estimate) |
| Beet | — | Mar 18–May 13 (estimate); May 13–Aug 17 (estimate) | Aug 11–Aug 25 (estimate) | — | — | May 7–Nov 23 (estimate) |
| Bok choy | Mar 11–Mar 25 (estimate) | Mar 25–Apr 29 (estimate) | Aug 11–Sep 8 (estimate) | Apr 1–Apr 29 (estimate) | — | Apr 29–Jul 2 (estimate) |
| Broccoli | Feb 18–Mar 4 (estimate) | — | Jul 14–Jul 28 (estimate) | Mar 25–Apr 15 (estimate) | Apr 15–May 19 (estimate) | May 19–Aug 1 (estimate) |
| Brussels sprouts | Mar 4–Mar 18 (estimate) | — | — | Apr 1–May 6 (estimate) | May 6–Jun 30 (estimate) | Jun 30–Oct 29 (estimate) |
| Cabbage | Feb 18–Mar 4 (estimate) | — | Jul 14–Jul 28 (estimate) | Mar 18–Apr 8 (estimate) | Apr 8–May 17 (estimate) | May 17–Aug 7 (estimate) |
| Calendula | Mar 4–Mar 18 (estimate) | Apr 1–May 6 (estimate) | Aug 25–Sep 8 (estimate) | Apr 8–Apr 29 (estimate) | May 6–May 16 (estimate) | May 16–Oct 25 (estimate) |
| Carrot | — | Mar 25–May 27 (estimate); May 27–Aug 7 (estimate) | Jul 28–Aug 11 (estimate) | — | — | May 24–Dec 7 (estimate) |
| Cauliflower | Feb 18–Mar 4 (estimate) | — | Jul 14–Jul 28 (estimate) | Apr 1–Apr 22 (estimate) | Apr 22–May 26 (estimate) | May 26–Jul 25 (estimate) |
| Celery | Jan 21–Feb 4 (estimate) | — | — | Apr 15–May 6 (estimate) | May 6–Jul 9 (estimate) | Jul 9–Oct 15 (estimate) |
| Cilantro | — | Mar 25–May 6 (estimate); May 6–Aug 27 (estimate) | Aug 11–Sep 22 (estimate) | — | — | May 4–Nov 16 (estimate) |
| Collards | Mar 4–Mar 18 (estimate) | Apr 1–Apr 29 (estimate) | Jul 28–Aug 25 (estimate) | Mar 18–Apr 15 (estimate) | Apr 29–May 12 (estimate) | May 12–Sep 21 (estimate) |
| Dill | — | Apr 1–May 13 (estimate); May 13–Aug 27 (estimate) | — | — | — | May 11–Oct 20 (estimate) |
| Florence fennel | Mar 18–Mar 25 (estimate) | Apr 15–May 13 (estimate) | Jul 28–Aug 25 (estimate) | Apr 22–May 6 (estimate) | May 13–Jun 19 (estimate) | Jun 19–Sep 1 (estimate) |
| Garlic | — | Mar 4–Apr 1 (estimate) | Sep 8–Oct 6 (estimate) | — | Apr 1–Oct 30 (estimate) | Oct 30–Jan 10 (estimate) |
| Kale | Mar 4–Mar 18 (estimate) | Apr 1–May 13 (estimate) | Jul 28–Aug 25 (estimate) | Mar 18–Apr 15 (estimate) | — | May 7–Oct 9 (estimate) |
| Kohlrabi | Mar 4–Mar 18 (estimate) | Apr 1–Apr 29 (estimate) | Aug 11–Aug 25 (estimate) | Mar 25–Apr 15 (estimate) | Apr 29–May 9 (estimate) | May 9–Jul 12 (estimate) |
| Leek | Feb 4–Feb 18 (estimate) | — | — | Apr 1–Apr 29 (estimate) | Apr 29–Jul 10 (estimate) | Jul 10–Dec 19 (estimate) |
| Lettuce | Mar 4–Mar 18 (estimate) | Mar 18–May 13 (estimate); May 13–Sep 6 (estimate) | Aug 11–Sep 8 (estimate) | Apr 1–Apr 29 (estimate) | — | Apr 17–Nov 26 (estimate) |
| Mustard greens | — | Mar 18–Apr 29 (estimate); Apr 29–Sep 6 (estimate) | Aug 25–Sep 22 (estimate) | — | — | Apr 17–Nov 11 (estimate) |
| Onion | Feb 4–Feb 18 (estimate) | Mar 18–Apr 8 (estimate) | — | Mar 18–Apr 15 (estimate) | Apr 15–Jun 16 (estimate) | Jun 16–Sep 3 (estimate) |
| Parsley | Feb 18–Mar 4 (estimate) | Mar 25–May 6 (estimate) | — | Apr 1–Apr 29 (estimate) | May 6–Jun 3 (estimate) | Jun 3–Dec 22 (estimate) |
| Parsnip | — | Apr 1–May 13 (estimate) | — | — | May 13–Jul 10 (estimate) | Jul 10–Dec 13 (estimate) |
| Peas | — | Mar 4–Apr 15 (estimate) | Aug 11–Aug 25 (estimate) | — | Apr 15–Apr 28 (estimate) | Apr 28–Jul 22 (estimate) |
| Potato | — | Mar 25–Apr 29 (estimate) | — | — | Apr 29–Jun 3 (estimate) | Jun 3–Sep 24 (estimate) |
| Radish | — | Mar 18–May 13 (estimate); May 13–Sep 14 (estimate) | Aug 25–Sep 22 (estimate) | — | — | Apr 9–Nov 2 (estimate) |
| Spinach | — | Mar 4–Apr 15 (estimate); Apr 15–Sep 1 (estimate) | Aug 25–Sep 22 (estimate) | — | — | Apr 8–Nov 11 (estimate) |
| Sweet alyssum | Mar 4–Mar 18 (estimate) | Apr 8–May 6 (estimate) | — | Apr 8–Apr 29 (estimate) | May 6–May 23 (estimate) | May 23–Oct 25 (estimate) |
| Swiss chard | Mar 4–Mar 18 (estimate) | Apr 1–May 27 (estimate) | Aug 11–Aug 25 (estimate) | Apr 1–Apr 29 (estimate) | — | May 21–Nov 15 (estimate) |
| Turnip | — | Mar 18–Apr 29 (estimate) | Aug 11–Sep 8 (estimate) | — | — | Apr 27–Jul 19 (estimate) |
| White clover | — | Mar 25–May 27 (estimate) | Aug 11–Sep 8 (estimate) | — | — | May 4–Dec 13 (estimate) |
Perennials (12)
AsparagusAsparagus officinalis
BlueberryVaccinium corymbosum
ChivesAllium schoenoprasum
LavenderLavandula angustifolia
MintMentha spicata / M. × piperita
OreganoOriganum vulgare
RaspberryRubus idaeus
RhubarbRheum × hybridum
RosemarySalvia rosmarinus
SageSalvia officinalis
StrawberryFragaria × ananassa
ThymeThymus vulgaris| Plant | Start indoors | Direct sow | Autumn sow | Transplant | Tend | Harvest |
|---|---|---|---|---|---|---|
| Asparagus | — | — | — | Mar 18–Apr 15 (estimate) | Apr 15–Mar 18 (estimate) | Mar 18–Jun 3 (estimate) |
| Blueberry | — | — | Aug 25–Sep 22 (estimate) | Mar 18–Apr 29 (estimate) | Apr 29–Mar 18 (estimate) | Mar 18–May 27 (estimate) |
| Chives | Feb 18–Mar 4 (estimate) | Apr 1–Apr 29 (estimate) | — | Apr 1–Apr 29 (estimate) | Apr 29–May 31 (estimate) | May 31–Dec 15 (estimate) |
| Lavender | — | — | — | Apr 15–May 13 (estimate) | May 13–Apr 15 (estimate) | Apr 15–Jul 15 (estimate) |
| Mint | — | — | — | Apr 1–May 13 (estimate) | May 13–May 31 (estimate) | May 31–Mar 9 (estimate) |
| Oregano | Feb 18–Mar 4 (estimate) | — | — | Apr 15–May 6 (estimate) | May 6–Jul 4 (estimate) | Jul 4–Mar 2 (estimate) |
| Raspberry | — | — | — | Mar 4–Apr 15 (estimate) | Apr 15–Mar 4 (estimate) | Mar 4–Aug 20 (estimate) |
| Rhubarb | — | — | — | Mar 4–Apr 15 (estimate) | Apr 15–Mar 4 (estimate) | Mar 4–Jun 10 (estimate) |
| Rosemary | — | — | — | Apr 29–May 13 (estimate) | May 13–Jul 28 (estimate) | Jul 28–Apr 8 (estimate) |
| Sage | Feb 18–Mar 4 (estimate) | — | — | Apr 15–May 6 (estimate) | May 6–Jun 29 (estimate) | Jun 29–Mar 2 (estimate) |
| Strawberry | — | — | Aug 25–Sep 22 (estimate) | Mar 18–Apr 29 (estimate) | Apr 29–May 17 (estimate) | May 17–Aug 25 (estimate) |
| Thyme | Feb 18–Mar 4 (estimate) | — | — | Apr 15–May 6 (estimate) | May 6–Jun 24 (estimate) | Jun 24–Mar 2 (estimate) |
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