What to plant in August in Viterbo This page summarizes what is worth doing in August in Viterbo, using typical weather for the period and local sowing and transplanting windows.
Summary Recommended direct sowing 16 Indoor seed starts 6 Recommended transplants 14 Crops to wait on 0 August in Viterbo is a month rich in garden options. There are 23 useful crops: Swiss chard, Broccoli, Carrot, Tuscan kale, Cucumber, Onion, Green bean, Fennel, Strawberry, Lettuce, Eggplant, Potato, Pepper, Pea, Tomato, Parsley, Radish, Rosemary, Arugula, Sage, Spinach, Pumpkin, Zucchini. The same card can combine direct sowing, indoor seed starts, transplanting when they overlap in the month.
Before starting, watch especially for: heat risk for sensitive crops, dry-spell risk: plan irrigation.
Crops for this month Each crop appears once. Inside the card you can see the useful options for the month, such as direct sowing, indoor starts, transplanting, or a cautious wait.
Direct sowing: all AugustEstimated harvest: from September 19 to October 19Success probability: 100%Climate attention: medium heat, high dry spellTransplanting: all AugustEstimated harvest: from September 29 to October 29Success probability: 93%Climate attention: high heat, high dry spellDirect sowing: all AugustEstimated harvest: from September 29 to October 29Success probability: 100%Climate attention: medium heat, high dry spellDirect sowing: all AugustEstimated harvest: from September 24 to October 24Success probability: 100%Climate attention: medium heat, high dry spellStart indoors: from February 27 to August 22Expected transplant: 35 days after sowing (from April 2 to September 26)Transplanting: all AugustEstimated harvest: from September 24 to October 24Success probability: 100%Climate attention: medium heat, high dry spellDirect sowing: all AugustEstimated harvest: from September 19 to October 19Success probability: 90%Climate attention: high dry spellStart indoors: from May 14 to August 12Expected transplant: 21 days after sowing (from June 4 to September 2)Transplanting: all AugustEstimated harvest: from September 19 to October 19Success probability: 90%Climate attention: high dry spellDirect sowing: all AugustEstimated harvest: from October 29 to November 28Success probability: 93%Climate attention: high dry spellTransplanting: all AugustEstimated harvest: from October 29 to November 28Success probability: 93%Climate attention: high dry spellDirect sowing: all AugustEstimated harvest: from September 19 to October 19Success probability: 93%Climate attention: high dry spellDirect sowing: all AugustEstimated harvest: from September 29 to October 29Success probability: 93%Climate attention: high heat, high dry spellStart indoors: from March 19 to August 7Expected transplant: 35 days after sowing (from April 23 to September 11)Transplanting: all AugustEstimated harvest: from September 29 to October 29Success probability: 93%Climate attention: high heat, high dry spellStart indoors: from March 6 to August 24Expected transplant: 28 days after sowing (from April 3 to September 21)Transplanting: all AugustEstimated harvest: from September 29 to October 29Success probability: 100%Climate attention: medium heat, high dry spellDirect sowing: all AugustEstimated harvest: from September 4 to October 4Success probability: 100%Climate attention: high heat, high dry spellStart indoors: all AugustExpected transplant: 28 days after sowing (from April 10 to October 6)Transplanting: all AugustEstimated harvest: from September 4 to October 4Success probability: 100%Climate attention: high heat, high dry spellTransplanting: from August 1 to August 8Estimated harvest: from October 9 to October 16Success probability: 80%Climate attention: high dry spellDirect sowing: from August 1 to August 12Estimated harvest: from October 29 to November 9Success probability: 80%Climate attention: medium frost risk, high dry spellTransplanting: from August 1 to August 19Estimated harvest: from October 4 to October 22Success probability: 80%Climate attention: high dry spellDirect sowing: all AugustEstimated harvest: from September 24 to October 24Success probability: 100%Climate attention: high heat, high dry spellTransplanting: from August 1 to August 21Estimated harvest: from October 9 to October 29Success probability: 80%Climate attention: medium frost risk, high dry spellDirect sowing: all AugustEstimated harvest: from October 19 to November 18Success probability: 80%Climate attention: medium frost risk, high dry spellDirect sowing: all AugustEstimated harvest: from August 25 to September 24Success probability: 100%Climate attention: high heat, high dry spellTransplanting: all AugustEstimated harvest: from September 29 to October 29Success probability: 93%Climate attention: high dry spellDirect sowing: all AugustEstimated harvest: from August 25 to September 24Success probability: 100%Climate attention: high heat, high dry spellTransplanting: all AugustEstimated harvest: from September 29 to October 29Success probability: 93%Climate attention: high dry spellDirect sowing: all AugustEstimated harvest: from September 4 to October 4Success probability: 100%Climate attention: high heat, high dry spellDirect sowing: from August 1 to August 6Estimated harvest: from October 29 to November 3Success probability: 83%Climate attention: medium frost risk, high dry spellTransplanting: from August 1 to August 6Estimated harvest: from October 29 to November 3Success probability: 83%Climate attention: medium frost risk, high dry spellDirect sowing: all AugustEstimated harvest: from September 14 to October 14Success probability: 90%Climate attention: high dry spellStart indoors: from May 14 to August 14Expected transplant: 21 days after sowing (from June 4 to September 4)Transplanting: all AugustEstimated harvest: from September 14 to October 14Success probability: 90%Climate attention: high dry spellWhy the calendar changes Daytime heat Average maximum 31.18 C. Shade young plants during the hottest hours and avoid transplanting into dry soil.
Water and irrigation Average rain in Viterbo: 27.68 mm . Average dry spell: 15.73 days . Plan irrigation before beds and containers dry out.
Climate risk for the month Average minimum temperature 18.79 C Average maximum temperature 31.18 C Average temperature 24.66 C Average rain 27.68 mm Average dry spell 15.73 days Average solar radiation 22.52 heat risk for sensitive crops dry-spell risk: plan irrigation FAQ What should I start with in August in Viterbo? Start with Swiss chard for direct sowing during from August 1 to August 31. The estimated harvest is from September 19 to October 19 and the best estimated success rate is 100%.
Should I use indoor seed starting in August in Viterbo? For Tuscan kale, the useful indoor seed period is from February 27 to August 22. The expected transplanting window is from April 2 to September 26 and it is best to start seedlings 35 days earlier.
How should I read August climate for Viterbo? Check midday heat: with an average maximum of 31.18 C, sensitive crops may need light shade and steadier irrigation. Check irrigation and soil moisture: average rain of 27.68 mm and an average dry spell of 15.73 days can dry beds and containers quickly. Monthly averages: minimum 18.79 C, maximum 31.18 C, rain 27.68 mm, and dry spell 15.73 days.
Sources and limits Use these dates as practical guidance, not fixed deadlines. Exposure, soil, containers, irrigation, and the next few days' forecast can move the right timing earlier or later.
Municipality registry: ISTAT Local historical climate: NASA POWER Daily API Representative weather point: GeoNames Crop needs: OrtoClima Last data update: May 10, 2026 Related pages