Possibly ok, but a risky time to plant sweet potatos, Probably not a good time to plant sweet potatos. When - As soon as the frost is out of the ground and the soil can be worked thoroughly. The USDA Zone info is a great tool for gardeners to help us figure out our gardening schedule. The first chance to plant sweet potatos in Zone 9b can be estimated by checking out the USDA zone info. Right? You probably don't want to wait any later than that or else your sweet potatos may not have a chance to really do well. 22 Mar 20, Gretta (USA - Zone 9b climate) I have dense clay yard soil with rocks so I may need to get ALOT of mulch to grow potatoes in zone 9b. Late maturing potatoes include a number of fingerling varieties that can also be grown in zone 9. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area. In the coldest months of winter we can expect an average low temperature of 25°F. Are there hot weather potato varieties that might be more suitable for growing potatoes in zone 9? Once in spring and then again in fall. You may be interested in our other planting guides for Zone 9b. Zone 9 Fall Planting Guide June 27, 2020 Protect Sensitive Plants from Strong Summer Sun June 9, 2020 How to Grow Cilantro June 5, 2020 Zone 9 gardening is a year round project. Zone 9 potato growers are actually quite lucky. Early potato choices for zone 9 that mature in less than 90 days include: Midseason potatoes, those that mature in around 100 days, include Yukon Gold and Red LaSoda, an excellent choice for warmer regions. On most years you should be prepared to experience lows near 30°F. You can plant some late maturing varieties in early summer for a fall harvest and/or plant early potato varieties and midseason types a few weeks prior to the last spring frost date for your area. Types Of Potatoes - What Are Late, Mid And Early Season Potatoes? Although considered a cool season crop, potatoes actually grow in USDA zones 3-10b. Planting Zone 9 is what’s considered a year-round planting zone due to its ideal temperature and growing conditions. Here is some general info for USDA zone 9b to help you get started. Continue to hill up around the plant every couple of weeks to protect the crop until it is time to harvest. The earliest that you can plant sweet potatos in Zone 9b is March. Gardening in zone 9b is great because it’s a year-round planting zone. California, Arizona, Texas, and Florida all include climates within zone 9 and they are areas which have warmer winters and hot summers. Sign up to get all the latest gardening tips! If you are starting your sweet potatos indoors then you might be able to get away with starting them a little bit earlier. For instance, say your last spring frost date is around the end of December. In this zone 9 planting guide learn how to grow fruits and vegetables and what plants we grow in our zone 9a/b (Texas) garden. Half of the time in Zone 9b last frost occurs after February 15 so be sure to be ready to cover your sweet potatos in the event of a late frost. Average Date of Last Frost (spring) February 15: Average Date of First Frost (fall) December 15: Lowest Expected Low: … I'm a total beginner so any tips or feedback for zone 9b … Planting Potatoes. However, you really should wait until April if you don't want to take any chances. They need consistent irrigation for tuber formation. When potatoes turn green, they produce a chemical called solanine. tall. Right? Late potatoes such as Butte, Katahdin, and Kennebec, mature in 110 days or more. You can plant … Zones 11a and 11b – You can plant one crop from December through February. The last month that you can plant sweet potatos and expect a good harvest is probably September. Americans eat around 125 lbs. The thing is, potatoes are a cool season crop, so what about potatoes for say, zone 9? So it’s really no wonder that home gardeners, wherever they may live, would like to try their hands at growing their own spuds. Zone 9b is a great zone for long season crops because the plants have plenty of time to reach maturity. 22 Mar 20, Gretta (USA - Zone 9b climate) I have dense clay yard soil with rocks so I may need to get ALOT of mulch to grow potatoes in zone 9b. Read more articles about Zone 9, 10 & 11. Sign up for our newsletter. Plus planting tips by zone for zones … What Are Fingerling Potatoes: Tips For Growing Fingerling Potatoes, Prickly Kale Leaves – Does Kale Have Thorns, Corn Husk Wreath Ideas: How To Make A Corn Husk Wreath, DIY Air Plant Wreaths: Wreath Making With Air Plants, Zone 9 Orange Trees: How To Grow Oranges In Zone 9, What Is Adenanthos – How To Grow An Adenanthos Bush, Japanese Anemone Care: Tips For Growing A Japanese Anemone Plant, Dormant Bulb Watering – Do I Water Bulbs After Flowers Are Gone, Thanksgiving Tradition: Turning Homegrown Pumpkins Into Pie, Growing Thanksgiving Dinner – Must Have Turkey Side Dishes, Interesting Uses For Pecans: What To Do With Pecans, The Bountiful Garden: Bringing The Garden To Thanksgiving. Although considered a cool season crop, potatoes actually grow in USDA zones 3-10b. However, you really should wait until April if you don't want to take any chances. Planting in Zone 9b. Zone 9 potato growers are actually quite lucky. The rule of thumb to follow for the earliest planting time is to plant 2 weeks before your last spring frost. (57 kilos) of potatoes per person each year! Causes For Bitter Potato Skins: Learn About Green Skin On A Potato. Solanine makes the tubers taste bitter and is also toxic. The average date of last frost is February 15 in Zone 9b. It all comes down to when you plant the potatoes. Start to hill up around the plants before they bloom when they are about 6 inches (15 cm.) Zones 10a and 10b – Plant your potatoes in January and February and again in November. Long season crops take a long time to mature for harvest and are typically planted in spring and harvested toward the end of the growing season. Then you can plant potatoes at the very end of November to the beginning of December. This means that on a really cold year, the coldest it will get is 25°F. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. This area also has optimal conditions for growing “new” potatoes in zone 9, small immature spuds with thinner skins than full grown potatoes, in the winter and spring months. The potato varieties suited for this region are not necessarily hot weather potato varieties. I'm a total beginner so any tips or feedback for zone 9b would be appreciated The average minimum winter temperature for a 9b zone is 25-30 degrees F. Hilling potatoes keeps them from getting sunburned, a real threat in warmer climates, which also causes them to turn green. If you’re located in Zone 9, your growing and planting calendar will consist of multiple … The last month that you can plant sweet potatos and expect a good harvest is probably September. The earliest that you can plant sweet potatos in Zone 9b is March. You really shouldn't plant sweet potatos until after the last frost because they do not do well in cold weather. Zone 9 potato growers are actually quite lucky. Remember that USDA zone info for Zone 9b is just an average and our actual date of last frost is different every year. To hill up around the potato plants, hoe the dirt up around the base of the plant to cover the roots as well as to support it. Zones 9a and 9b – Plant your spring crop in January and your fall crop in October and November. Potatoes do best in well-draining, loose soil. You can plant some late maturing varieties in early summer for a fall harvest and/or plant early potato varieties and midseason types a few weeks prior to the last spring frost date for your area.