What to plant in July in Siena This page summarizes what is worth doing in July in Siena, using typical weather for the period and local sowing and transplanting windows.
Summary Recommended direct sowing 16 Indoor seed starts 11 Recommended transplants 14 Crops to wait on 1 July in Siena 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 to wait on with more care: Basil.
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 JulyEstimated harvest: from August 19 to September 18Success probability: 100%Climate attention: high heat, high dry spellStart indoors: from March 9 to July 23Expected transplant: 42 days after sowing (from April 20 to September 3)Transplanting: all JulyEstimated harvest: from August 29 to September 28Success probability: 100%Climate attention: high heat, high dry spellDirect sowing: all JulyEstimated harvest: from August 29 to September 28Success probability: 100%Climate attention: high heat, high dry spellDirect sowing: all JulyEstimated harvest: from August 24 to September 23Success probability: 100%Climate attention: high heat, high dry spellStart indoors: all JulyExpected transplant: 35 days after sowing (from April 5 to September 21)Transplanting: all JulyEstimated harvest: from August 24 to September 23Success probability: 100%Climate attention: high heat, high dry spellDirect sowing: all JulyEstimated harvest: from August 19 to September 18Success probability: 97%Climate attention: medium heat, high dry spellStart indoors: all JulyExpected transplant: 21 days after sowing (from June 14 to August 26)Transplanting: all JulyEstimated harvest: from August 19 to September 18Success probability: 97%Climate attention: medium heat, high dry spellDirect sowing: all JulyEstimated harvest: from September 28 to October 28Success probability: 100%Climate attention: high heat, high dry spellTransplanting: all JulyEstimated harvest: from September 28 to October 28Success probability: 100%Climate attention: high heat, high dry spellDirect sowing: all JulyEstimated harvest: from August 19 to September 18Success probability: 100%Climate attention: medium heat, high dry spellDirect sowing: all JulyEstimated harvest: from August 29 to September 28Success probability: 100%Climate attention: high heat, high dry spellStart indoors: from March 31 to July 30Expected transplant: 35 days after sowing (from May 5 to September 3)Transplanting: all JulyEstimated harvest: from August 29 to September 28Success probability: 100%Climate attention: high heat, high dry spellStart indoors: all JulyExpected transplant: 28 days after sowing (from April 11 to September 15)Transplanting: all JulyEstimated harvest: from August 29 to September 28Success probability: 100%Climate attention: high heat, high dry spellDirect sowing: all JulyEstimated harvest: from August 4 to September 3Success probability: 100%Climate attention: high heat, high dry spellStart indoors: all JulyExpected transplant: 28 days after sowing (from April 20 to September 28)Transplanting: all JulyEstimated harvest: from August 4 to September 3Success probability: 100%Climate attention: high heat, high dry spellTransplanting: from July 2 to July 31Estimated harvest: from September 9 to October 8Success probability: 83%Climate attention: high heat, high dry spellDirect sowing: all JulyEstimated harvest: from September 28 to October 28Success probability: 83%Climate attention: medium frost risk, high heat, high dry spellTransplanting: all JulyEstimated harvest: from September 3 to October 3Success probability: 93%Climate attention: high heat, high dry spellDirect sowing: all JulyEstimated harvest: from August 24 to September 23Success probability: 100%Climate attention: high heat, high dry spellStart indoors: from May 3 to July 3Expected transplant: 42 days after sowing (from June 14 to August 14)Transplanting: all JulyEstimated harvest: from September 8 to October 8Success probability: 97%Climate attention: medium heat, high dry spellDirect sowing: all JulyEstimated harvest: from September 18 to October 18Success probability: 97%Climate attention: high heat, high dry spellDirect sowing: all JulyEstimated harvest: from July 25 to August 24Success probability: 100%Climate attention: high heat, medium dry spellStart indoors: from March 30 to July 23Expected transplant: 42 days after sowing (from May 11 to September 3)Transplanting: all JulyEstimated harvest: from August 29 to September 28Success probability: 100%Climate attention: high dry spellDirect sowing: all JulyEstimated harvest: from July 25 to August 24Success probability: 100%Climate attention: high heat, medium dry spellStart indoors: from March 13 to July 23Expected transplant: 42 days after sowing (from April 24 to September 3)Transplanting: all JulyEstimated harvest: from August 29 to September 28Success probability: 100%Climate attention: medium heat, high dry spellDirect sowing: all JulyEstimated harvest: from August 4 to September 3Success probability: 100%Climate attention: high heat, high dry spellDirect sowing: all JulyEstimated harvest: from September 28 to October 28Success probability: 80%Climate attention: medium frost risk, medium heat, high dry spellStart indoors: from May 24 to July 10Expected transplant: 21 days after sowing (from June 14 to July 31)Transplanting: all JulyEstimated harvest: from September 28 to October 28Success probability: 80%Climate attention: medium frost risk, medium heat, high dry spellDirect sowing: all JulyEstimated harvest: from August 14 to September 13Success probability: 97%Climate attention: medium heat, high dry spellStart indoors: all JulyExpected transplant: 21 days after sowing (from June 14 to August 27)Transplanting: all JulyEstimated harvest: from August 14 to September 13Success probability: 97%Climate attention: medium heat, high dry spellRisky window: from July 27 to July 28Estimated harvest: from August 30 to August 31Success probability: 50%Climate attention: risky window, medium heat, high dry spellWhy the calendar changes Daytime heat Average maximum 31.78 C. Shade young plants during the hottest hours and avoid transplanting into dry soil.
Water and irrigation Average rain in Siena: 27.78 mm . Average dry spell: 13.53 days . Plan irrigation before beds and containers dry out.
Climate risk for the month Average minimum temperature 17.6 C Average maximum temperature 31.78 C Average temperature 24.57 C Average rain 27.78 mm Average dry spell 13.53 days Average solar radiation 25.18 heat risk for sensitive crops dry-spell risk: plan irrigation FAQ What should I start with in July in Siena? Start with Swiss chard for direct sowing during from July 1 to July 31. The estimated harvest is from August 19 to September 18 and the best estimated success rate is 100%.
Which indoor seed start matters in July? For Broccoli, the useful indoor seed period is from March 9 to July 23. The expected transplanting window is from April 20 to September 3 and it is best to start seedlings 42 days earlier.
What should I watch in July in Siena? Check midday heat: with an average maximum of 31.78 C, sensitive crops may need light shade and steadier irrigation. Check irrigation and soil moisture: average rain of 27.78 mm and an average dry spell of 13.53 days can dry beds and containers quickly. Monthly averages: minimum 17.6 C, maximum 31.78 C, rain 27.78 mm, and dry spell 13.53 days.
Why wait on Basil in July? The available Basil window is from July 27 to July 28 and remains classified as risky. The best estimated success rate is 50%; before starting, check: heat risk for sensitive crops, dry-spell risk: plan irrigation.
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