Idan ka taba karatun littafi mai aikin lambu ko bincike ta hanyar hoton sifa, tabbas za ka iya ganin alamar "yankuna". An san su a matsayin fasaha masu tsire-tsire, ana kiran su a wasu lokuta wurare masu sauyin yanayi, yankunan dasa, ko yankunan lambu. Yankin da kuke zaune a cikin ƙayyade abin da tsire-tsire za su bunƙasa da lokacin da za'a dasa su.
Memphis, Tennessee yana cikin yanayi mai sauyin yanayi 7, da fasaha 7a da 7b, kodayake ba za ka ga bambanci tsakanin su biyu a littattafai da kasidu ba.
Ƙaddancin yanayi na USDA Plant Hardness Zones an kiyasta ta ƙananan yanayin zafi, kowane Yankin yana wakiltar kashi na Fahrenheit mai digiri 10 na yanayin zafi. Akwai yankuna 13, kodayake mafi yawan Amurka na daidai tsakanin Tsarin wurare 3 da 10.
Sashe na 7 yana jin dadin kwanan watan ƙarshe na sanyi ba a cikin bazara ta Afrilu 15 da kwanakin ƙarshe na sanyi ba a cikin fall a kan Oktoba 30, kodayake kwanakin zasu iya bambanta har zuwa makonni biyu. Yankin Memphis yana da kyau, kuma yawancin shuka sai dai tsire-tsire masu tsire-tsire zasu iya girma sauƙi a yankin.
Wasu daga cikin furanni na shekara-shekara na Zone 7 sune marigolds, impatiens, snapdragons, geraniums, da sunflowers, Duk wanda ya ziyarci filin na sunflower a aikin gona a lokacin rani ya san cewa wannan gaskiya ne!
Wasu daga cikin furanni mafi kyau ga Zone 7 sun hada da baƙar fata da Susans, hostas, chrysanthemums, clematis, irises, peonies, da manta-ni-ba.
Yankunan Hardiness Zones suna nufin amfani da su a matsayin jagororin maimakon dokoki da sauri. Yawancin abubuwa suna da nasaba da nasarar da shuka ya samu, ciki har da hazo, inuwa, ingancin shuka, ingancin ƙasa, da sauransu.
Don ƙarin bayani, bincika albarkatun nan masu zuwa:
- USDA Shuka Tsarin Hard Area Zone
- Yanki na 7 Kayan lambu Jirgin Jirgin 1
- Tsire-tsire da ke Girma a Yanki 7
Holly Whitfield ya wallafa Nuwamba 2017