Garden Guide

Garden Guide for Graz, Styria

Graz, in climate zone 7a, experiences mild winters and warm summers, ideal for a long growing season. The soils in the region are often loamy to sandy-loamy, which allows for good drainage and nutrient retention. Ensure you provide sufficient humus to improve soil structure.

In Graz, climate zone 7a, you can start your main sowing after the last frost, typically in early April. Popular crops like lettuce can be started off indoors from March to September and harvested from April to October. Sow radishes from March to September for a harvest from May to October, whilst tomatoes are started off indoors from March to May and harvested from July to October.

Zone 7a Last frost: Early April First frost: Early November Temperate

Also applies to: Leoben, Bruck an der Mur, Voitsberg, Deutschlandsberg, Feldbach, Weiz

Plan your Graz garden in the Fryd app

Planting Calendar

When to start indoors, sow outdoors, and harvest in Graz.

Light Water Nutrients

Start indoors Sowing Harvest

Planting calendar for Graz, Zone 7a
Crop	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Carrots ●●● ●●○ ●○○
Lettuce (Lettuce) ●●○ ●●○ ●●○
Cucumber / Gherkin ●●● ●●○ ●●●
Courgette / Zucchini ●●● ●●● ●●●
Pepper / Paprika ●●● ●●○ ●●●
Potato ●●● ●●○ ●●●
Radishes ●●● ●●○ ●○○
Tomato (Bush tomato) ●●● ●●○ ●●●
Tomato (Cocktail bush tomato) ●●● ●●○ ●●●
Onion ●●● ●●○ ●●○
Bean (Dwarf bean) ●●● ●●○ ●○○
Pea ●●● ●●○ ●○○
Basil ●●● ●●○ ●●●
Beetroot ●●● ●●○ ●●○
Strawberry ●●● ●●○ ●●●
Kohlrabi / German turnip / Turnip cabbage ●●● ●●○ ●●○
Garlic ●●● ●●○ ●○○
Pumpkin / Squash ●●● ●●● ●●●
Broccoli ●●● ●●● ●●●
Common marigold ●●● ●○○

Carrots ●●● ●●○ ●○○

Lettuce (Lettuce) ●●○ ●●○ ●●○

Cucumber / Gherkin ●●● ●●○ ●●●

Courgette / Zucchini ●●● ●●● ●●●

Pepper / Paprika ●●● ●●○ ●●●

Potato ●●● ●●○ ●●●

Radishes ●●● ●●○ ●○○

Tomato (Bush tomato) ●●● ●●○ ●●●

Tomato (Cocktail bush tomato) ●●● ●●○ ●●●

Onion ●●● ●●○ ●●○

Bean (Dwarf bean) ●●● ●●○ ●○○

Pea ●●● ●●○ ●○○

Basil ●●● ●●○ ●●●

Beetroot ●●● ●●○ ●●○

Strawberry ●●● ●●○ ●●●

Kohlrabi / German turnip / Turnip cabbage ●●● ●●○ ●●○

Garlic ●●● ●●○ ●○○

Pumpkin / Squash ●●● ●●● ●●●

Broccoli ●●● ●●● ●●●

Common marigold ●●● ●○○

Planting Calendar Graz

Carrots: Sowing Mar - Jul, Harvest Jul - Oct (Light: high, Water: medium, Nutrients: low)
Lettuce (Lettuce): Start indoors Mar - Sep, Sowing Mar - Oct, Harvest Apr - Oct (Light: medium, Water: medium, Nutrients: medium)
Cucumber / Gherkin: Start indoors Apr - Jun, Sowing Jun - Jul, Harvest Jun - Sep (Light: high, Water: medium, Nutrients: high)
Courgette / Zucchini: Start indoors Apr - Jun, Sowing Jun - Jul, Harvest Jul - Oct (Light: high, Water: high, Nutrients: high)
Pepper / Paprika: Start indoors Mar, Sowing Jun - Jul, Harvest Jul - Oct (Light: high, Water: medium, Nutrients: high)
Potato: Start indoors Mar - Apr, Sowing Apr - Jun, Harvest Jun - Oct (Light: high, Water: medium, Nutrients: high)
Radishes: Sowing Mar - Sep, Harvest May - Oct (Light: high, Water: medium, Nutrients: low)
Tomato (Bush tomato): Start indoors Mar - May, Sowing Jun - Jul, Harvest Jul - Oct (Light: high, Water: medium, Nutrients: high)
Tomato (Cocktail bush tomato): Start indoors Mar - May, Sowing Jun - Jul, Harvest Jul - Oct (Light: high, Water: medium, Nutrients: high)
Onion: Start indoors Jan - Mar, Sowing Mar - May, Harvest Jul - Sep (Light: high, Water: medium, Nutrients: medium)
Bean (Dwarf bean): Start indoors Apr - May, Sowing Jun - Jul, Harvest Jul - Sep (Light: high, Water: medium, Nutrients: low)
Pea: Sowing Mar - Jul, Harvest Jun - Oct (Light: high, Water: medium, Nutrients: low)
Basil: Start indoors Mar - Jul, Sowing Jun - Aug, Harvest Jun - Oct (Light: high, Water: medium, Nutrients: high)
Beetroot: Start indoors Apr, Sowing May - Jul, Harvest Aug - Oct (Light: high, Water: medium, Nutrients: medium)
Strawberry: Start indoors Feb - May, Sowing Apr - Jun, Harvest May - Sep (Light: high, Water: medium, Nutrients: high)
Kohlrabi / German turnip / Turnip cabbage: Start indoors Mar - May, Sowing Apr - Jun, Harvest Jun - Oct (Light: high, Water: medium, Nutrients: medium)
Garlic: Sowing Sep - Nov, Harvest Jun - Aug (Light: high, Water: medium, Nutrients: low)
Pumpkin / Squash: Start indoors Apr - Jun, Sowing Jun - Jul, Harvest Sep - Oct (Light: high, Water: high, Nutrients: high)
Broccoli: Start indoors Mar - May, Sowing Jun - Jul, Harvest Jul - Oct (Light: high, Water: high, Nutrients: high)
Common marigold: Start indoors Mar - Apr, Sowing Apr - Aug, Harvest Jun - Oct (Light: high, Nutrients: low)

Based on Fryd planting data for Zone 7a, 2026.

Companion Planting for Graz

Plants that thrive together in Styria.

Lettuce (Lettuce) + Carrots

Radishes + Carrots

Lettuce (Lettuce) + Radishes

Onion + Cucumber / Gherkin

Garlic + Cucumber / Gherkin

Plan companions visually

Drag and drop crops in the Fryd bed planner to see companion matches.

Try Fryd →

Growing Tips for Graz

Choosing the Right Spot is Key

Many plants, such as onions, carrots, and tomatoes, thrive in a sunny, warm spot. Ensure your beds receive at least 6 hours of direct sunlight per day for optimal yields.

Prepare Your Soil

Loose, humus-rich, and well-draining soil is the foundation for healthy plants. Radishes and garlic especially prefer this; avoid waterlogging to prevent rot.

Consistent Moisture

Crops like radishes, broccoli, and pumpkins need a constant water supply. If it's too dry, radishes can become woody, whilst broccoli and pumpkins will suffer from reduced yields.

Make the Most of Starting Off Indoors

For many crops like lettuce, onions, or kohlrabi, starting them off indoors from March onwards is highly beneficial. This allows for an earlier harvest and protects young plants from late frosts.

Common Pests & Diseases

•

Slugs

Keep slugs in check by regularly hand-picking them, using slug fences, or biological controls like slug pellets. A layer of mulch can help keep the soil moist, but it can also attract slugs, so stay vigilant.

•

Aphids

If you have an aphid infestation, you can rinse the plants with a strong stream of water or spray them with soapy water. Ladybirds and their larvae are natural predators and a great help.

•

Late Blight in Tomatoes & Potatoes

Ensure adequate plant spacing and good ventilation to prevent late blight. Remove affected leaves immediately and always water the root area only, not the leaves.

•

Cabbage Root Fly

Protect your brassicas like kohlrabi or broccoli from the cabbage root fly with insect netting. Companion planting with celery or tomatoes can also act as a deterrent.

Frequently Asked Questions

When should I plant tomatoes in Graz?

You should start off indoors tomatoes in Graz from March to May and plant them outdoors from mid-May. You can then harvest them from July to October.

What climate zone is Graz in?

Graz is in climate zone 7a. This means you can expect mild winters and a long growing season, which allows for the cultivation of many crops.

Which vegetables grow best in Graz?

Many types of vegetables thrive in Graz, including cold-hardy varieties like lettuce, radishes, carrots, and onions. Potatoes and various types of cabbage are also very productive.

When is the last frost in Graz?

The last frost in Graz is typically expected in early April. After that, you can plant frost-sensitive plants like tomatoes and cucumbers outdoors.