耐寒分區 10a 的溫度範圍是多少？
耐寒分區 10a 的定義是年平均極端最低氣溫為 30 °F 至 35 °F (−1.1 °C 至 1.7 °C)。 這是 10 區較冷的一半，總體範圍從 30 °F 到 40 °F。
該數值是 2023 年美國農業部地圖根據 1991–2020 年氣象記錄計算出的每個冬季最冷夜晚的 30 年平均值。個別冬季的氣溫通常會低幾度，因此耐寒等級剛好在 10a 區的植物，若能使用覆蓋物並種植在避風處將會受益。尚未了解自己所在分區的園丁，可以在比較植物前 透過郵政編碼查詢您的美國農業部耐寒分區。
哪些州屬於 10a 耐寒分區？
10a 區出現在美國本土的 6 個州。根據官方 2023 年 USDA 郵遞區號表，California, Florida, Texas, Arizona 和 Louisiana 擁有最多屬於 10a 區的郵遞區號。
- California · 623 個郵遞區號
- Florida · 438 個郵遞區號
- Texas · 95 個郵遞區號
- Arizona · 71 個郵遞區號
- Louisiana · 6 個郵遞區號
- Nevada · 1 個郵遞區號
耐寒分區遵循海拔和水域，而非州界，因此大多數州跨越了多個分區。
Zone 10a 適合種植哪些植物？
PlantoScan 目錄中有 236 種植物在 10a 分區中可生長，這意味著 10a 分區位於它們的耐寒範圍內。 它們包括 52 種樹木, 44 種灌木, 35 種多年生植物、草本植物與花卉, 36 種藤本與攀緣植物。
樹木（適用於 10a 區） (52)
Gardenia
Gardenia jasminoides
Zone 8a – 11b
AI 生成
Magnolia Tree
Magnolia grandiflora
Zone 7a – 10a
Joseph McPhailCC BY 4.0iNaturalist已調整大小
Bird Of Paradise
Strelitzia reginae
Zone 9b – 11b
AI 生成
Fig Tree
Ficus carica
Zone 7a – 11b
圖片：PlantoScan
Camellia
Camellia japonica
Zone 6b – 10a
no rights reservedCC0 1.0iNaturalist
Elephant Ear Plant
Colocasia esculenta
Zone 8a – 11b
AI 生成
Oleander
Nerium oleander
Zone 8b – 11b
AI 生成
Live Oak
Quercus virginiana
Zone 7a – 10b
Clifton LaddCC BY 4.0iNaturalist已調整大小
Sago Palm
Cycas revoluta
Zone 8b – 11b
AI 生成
- Yucca Plant
- Corn Plant
- Rubber Plant
- Avocado Tree
- Orange Tree
- Lucky Bamboo
- Pomegranate Tree
- Norfolk Island Pine
- Lime Tree
- Italian Cypress
- Pineapple Guava
- White Bird Of Paradise
- Bay Laurel Tree
- Sasanqua Camellia
- Umbrella Plant
- Taro Plant
- Coast Live Oak
- Blackberry Plant
- Indoor Olive Tree
- False Aralia
- Monterey Cypress
- Japanese Aralia
- Alocasia Odora
- Hawaiian Ti Plant
- Spineless Yucca
- Giant Taro
- Cider Gum
- Oriental Arborvitae
- Xanthosoma
- Crimson Bottlebrush
- Weeping Bottlebrush
- Calamondin Orange
- Adams Needle Yucca
- Spanish Bayonet
- New Zealand Christmas Tree
- Song of India
- Tree Philodendron
- Cabbage Tree
- Ponytail Palm
- Chinese Banyan
- Chinese Hibiscus
- Lemon Tree
- Orange Jasmine
灌木（適用於 10a 區） (44)
Ashwagandha
Withania somnifera
Zone 10a – 12b
AI 生成
Arugula
Eruca sativa
Zone 5a – 10b
AI 生成
Aloe Vera
Aloe vera
Zone 10a – 12b
Carlos Domínguez-RodríguezCC BY 4.0iNaturalist已調整大小
Eggplant
Solanum melongena
Zone 10a – 11b
AI 生成
Crown Of Thorns
Euphorbia milii
Zone 9b – 12b
AI 生成
Caladium
Caladium bicolor
Zone 9b – 12b
AI 生成
Boston Fern
Nephrolepis exaltata
Zone 9a – 11b
AI 生成
Cyclamen
Cyclamen persicum
Zone 9a – 11b
Daniel CahenCC BY 4.0iNaturalist已調整大小
Polka Dot Plant
Hypoestes phyllostachya
Zone 10a – 11b
AI 生成
- Lemon Verbena
- Angel Wing Begonia
- Potato Plant
- Gardenia Bush
- Pencil Cactus
- African Milk Tree
- Indian Blanket
- Globe Amaranth
- Pickerelweed
- Chenille Plant
- China Aster
- Devils Backbone Plant
- Cleveland Sage
- Chinese Forget Me Not
- Lemon Button Fern
- Silver Dollar Plant
- Panda Plant
- Coontie
- Haworthia Cooperi
- Summer Snapdragon
- Mediterranean Spurge
- Candelabra Tree
- Madagascar Jewel
- Egyptian Star Flower
- Balfour Aralia
- Spider Plant
- Cast Iron Plant
- Elatior Begonia
- Xanadu Philodendron
- Jade Plant
- Scarlet Star
- Friendship Plant
- Hardy Elephant Ear
- Chinese Taro
- Bell Pepper
多年生植物、草本植物與花卉（適用於 10a 區） (35)
- DahliaDahlia pinnataPlantoScan
Dahlia
Dahlia pinnata
Zone 8a – 11b
Alfalfa
Medicago sativa
Zone 3a – 10a
AI 生成
Calla Lily
Zantedeschia aethiopica
Zone 8a – 10b
AI 生成
Zinnia
Zinnia elegans
Zone 9a – 13b
ErmellCC BY-SA 4.0Wikimedia Commons已調整大小
Snapdragon
Antirrhinum majus
Zone 7a – 10b
AI 生成
Stinging Nettle
Urtica dioica
Zone 3a – 10b
AI 生成
- CornflowerCentaurea cyanusPlantoScan
Cornflower
Centaurea cyanus
Zone 2 – 11
Red Ginger
Alpinia purpurata
Zone 9b – 12b
zebedeugalinhaCC BY 4.0iNaturalist已調整大小
Cardinal Flower
Lobelia cardinalis
Zone 3b – 11b
no rights reservedCC0 1.0iNaturalist
- Freesia
- Spearmint
- Banana Plant
- Rapeseed
- Peruvian Lily
- Lambs Quarters
- Cardoon
- Broccoli Plant
- African Daisy
- Swedish Ivy
- Society Garlic
- Turmeric Plant
- Paperwhite Narcissus
- Love In A Mist
- Tropical Milkweed
- Cockscomb
- Sacred Lotus
- Stromanthe Triostar
- Bears Breeches
- Corsican Mint
- Clivia Lily
- Siam Tulip
- Torch Ginger
- Belladonna Lily
- Tree Dahlia
- Foothill Penstemon
藤本與攀緣植物（適用於 10a 區） (36)
Spanish Flag
Ipomoea lobata
Zone 9a – 12b
AI 生成
Bougainvillea
Bougainvillea glabra
Zone 9b – 11b
Simon ScotlandCC BY 4.0iNaturalist已調整大小
Grape Vine
Vitis vinifera
Zone 5b – 10a
AI 生成
Watercress
Nasturtium officinale
Zone 5a – 11b
Dmitriy BochkovCC BY 4.0iNaturalist已調整大小
Nasturtium
Tropaeolum majus
Zone 9b – 11b
Antonio W. SalasCC BY 4.0iNaturalist已調整大小
Fava Bean
Vicia faba
Zone 2a – 11b
AI 生成
Mung Bean
Vigna radiata
Zone 9b – 13
renjus boxCC BY 4.0iNaturalist已調整大小
Wandering Jew Plant
Tradescantia zebrina
Zone 9a – 11b
AI 生成
- Purple Heart PlantTradescantia pallidaPlantoScan
Purple Heart Plant
Tradescantia pallida
Zone 8b – 12b
- Lipstick Plant
- Blue Passion Flower
- Pea Plant
- Audrey Ficus
- Split Leaf Philodendron
- Black Eyed Susan Vine
- Cebu Blue Pothos
- Moses In The Cradle
- Passion Fruit Vine
- Pink Jasmine
- Madagascar Jasmine
- Moonflower Vine
- String Of Bananas
- Cape Aloe
- Hindu Rope Plant
- Heavenly Blue Morning Glory
- Grape Ivy
- Ficus Altissima
- Fan Aloe
- Small Leaf Spiderwort
- Kangaroo Vine
- False Shamrock
- Arabian Jasmine
- Creeping Fig
- Hindu Rope Plant
- Sweet Potato Vine
- Variegated Monstera
多肉植物與仙人掌（適用於 10a 區） (34)
Blue Agave
Agave tequilana
Zone 9b – 11b
no rights reservedCC0 1.0iNaturalist
Prickly Pear Cactus
Opuntia ficus-indica
Zone 9a – 11b
no rights reservedCC0 1.0iNaturalist
String Of Pearls
Senecio rowleyanus
Zone 10a – 11b
Flickr user Forest and Kim StarrCC BY 2.0Wikimedia Commons已調整大小
Century Plant
Agave americana
Zone 8a – 11b
zebedeugalinhaCC BY 4.0iNaturalist已調整大小
Calico Kitten
Crassula pellucida
Zone 9b – 11b
no rights reservedCC0 1.0iNaturalist
Golden Barrel Cactus
Echinocactus grusonii
Zone 9b – 11b
Kevin FaccendaCC BY 4.0iNaturalist已調整大小
Queen Of The Night Cactus
Epiphyllum oxypetalum
Zone 10a – 12b
Daniel Pineda VeraCC BY 4.0iNaturalist已調整大小
Easter Cactus
Rhipsalidopsis gaertneri
Zone 10a – 12b
Patrícia MeesCC BY 4.0iNaturalist已調整大小
Elephant Bush
Portulacaria afra
Zone 10a – 12b
Henry de LangeCC BY 4.0iNaturalist已調整大小
- Burros Tail
- Peruvian Apple Cactus
- Fishbone Cactus
- Aeonium
- Moon Cactus
- Bunny Ear Cactus
- Foxtail Agave
- Easter Lily Cactus
- Beavertail Cactus
- Jelly Bean Plant
- Queen Victoria Agave
- Princess Pine
- Pincushion Cactus
- String Of Buttons
- Miniature Pine Tree
- Mexican Grass Tree
- Echeveria Agavoides
- Blue Myrtle Cactus
- Golden Sedum
- Coppertone Stonecrop
- Campfire Plant
- Propeller Plant
- Watch Chain Plant
- Ladyfinger Cactus
- Snake Plant
草類（適用於 10a 區） (10)
Lemongrass
Cymbopogon citratus
Zone 9b – 12b
AI 生成
Papyrus
Cyperus papyrus
Zone 9a – 12b
Shaun SwanepoelCC BY 4.0iNaturalist已調整大小
Purple Fountain Grass
Pennisetum setaceum
Zone 8a – 11b
AI 生成
Blue Grama Grass
Bouteloua gracilis
Zone 3a – 10b
Matt LavinCC BY 4.0iNaturalist已調整大小
Black Bamboo
Phyllostachys nigra
Zone 6a – 10b
the swamp assCC BY 4.0iNaturalist已調整大小
Deer Grass
Muhlenbergia rigens
Zone 7a – 10b
Millie BasdenCC BY 4.0iNaturalist已調整大小
Golden Bamboo
Phyllostachys aurea
Zone 6a – 10b
AI 生成
Side Oats Grama
Bouteloua curtipendula
Zone 3 – 10
Clifton LaddCC BY 4.0iNaturalist已調整大小
Giant Timber Bamboo
Bambusa oldhamii
Zone 8b – 11b
Carlos Domínguez-RodríguezCC BY 4.0iNaturalist已調整大小
蕨類植物（適用於 10a 區） (5)
Horsetail Plant
Equisetum hyemale
Zone 3a – 11b
no rights reservedCC0 1.0iNaturalist
Spikemoss
Selaginella kraussiana
Zone 10a – 11b
EliasCC BY 4.0iNaturalist已調整大小
Australian Tree Fern
Cyathea cooperi
Zone 9a – 11
AI 生成
Blue Star Fern
Polypodium aureum
Zone 9b – 11b
AI 生成
Button Fern
Pellaea rotundifolia
Zone 10a – 12b
Saryu Mae 前 朝琉CC BY 4.0iNaturalist已調整大小
棕櫚類（適用於 10a 區） (6)
Parlor Palm
Chamaedorea elegans
Zone 10a – 12b
AI 生成
Pygmy Date Palm
Phoenix roebelenii
Zone 9b – 12
Josiah LonderéeCC BY 4.0iNaturalist已調整大小
Bamboo Palm
Chamaedorea seifrizii
Zone 10a – 11b
Ricard Busquets ReverteCC BY 4.0iNaturalist已調整大小
European Fan Palm
Chamaerops humilis
Zone 7b – 11b
AI 生成
Lady Palm
Rhapis excelsa
Zone 9b – 11b
AI 生成
Chinese Fan Palm
Livistona chinensis
Zone 9a – 12b
AI 生成
其他植物（適用於 10a 區） (14)
Petunia
Petunia hybrida
Zone 9a – 11b
Bonnie SemmlingCC BY 4.0iNaturalist已調整大小
Strawberry Plant
Fragaria ananassa
Zone 3a – 10b
Николай СоболевCC BY 4.0iNaturalist已調整大小
Mustard Greens
Brassica juncea
Zone 8a – 11b
Raja Sekhar ChimiralaCC BY 4.0iNaturalist已調整大小
Mexican Petunia
Ruellia brittoniana
Zone 8a – 11b
Greg III EsperaCC BY 4.0iNaturalist已調整大小
Water Hyacinth
Eichhornia crassipes
Zone 9a – 13b
Mattia MenchettiCC BY 4.0iNaturalist已調整大小
Zebra Plant
Haworthia fasciata
Zone 10a – 11b
AI 生成
Pumpkin Plant
Cucurbita maxima
Zone 3a – 11b
Gonzalo RogetCC BY 4.0iNaturalist已調整大小
Ghost Plant
Graptopetalum paraguayense
Zone 9b – 11b
圖片：PlantoScan
Wasabi Plant
Wasabia japonica
Zone 7a – 10b
no rights reservedCC0 1.0iNaturalist
哪些受歡迎的植物在 10a 區無法越冬？
這些受歡迎的植物需要比 10a 區更溫暖的環境才能在戶外越冬。請將它們作為室內植物種植，種植在初霜前可移入室內的容器中，或作為每年春天重新種植的一年生植物。
Cosmos
Cosmos bipinnatus
Zone 10b – 13b
PlantoscanAI 生成
Marigold
Tagetes erecta
Zone 10b – 12b
PlantoscanAI 生成
Peace Lily
Spathiphyllum wallisii
Zone 11b – 12b
AI 生成
Pothos
Epipremnum aureum
Zone 10b – 12b
AI 生成
Zz Plant
Zamioculcas zamiifolia
Zone 10b – 12b
圖片：PlantoScan
Christmas Cactus
Schlumbergera bridgesii
Zone 10b – 12b
Victor Farjalla PontesCC BY 4.0iNaturalist已調整大小
Desert Rose
Adenium obesum
Zone 10b – 13b
AI 生成
Fiddle Leaf Fig
Ficus lyrata
Zone 10b – 12b
圖片：PlantoScan
Kalanchoe
Kalanchoe blossfeldiana
Zone 10b – 12b
AI 生成
你如何在 10a 耐寒分區成功進行園藝？
成功的 10a 區花園依賴於耐寒等級為 10 或更低區的多年生植物、灌木和樹木。耐寒等級剛好為 10a 區的植物可以度過典型的冬天，但如果能覆蓋護根物、設置防風林並種植在溫暖的牆邊，效果會更好。
耐寒分區僅描述冬季寒冷程度。種植日期取決於你當地的春季最後霜凍日和秋季首次霜凍日，即使在同一個 10a 分區內，這些日期也可能相差數週——按郵政編碼計算的最後霜凍日計算器可提供你花園的具體日期。夏季高溫、降雨量和土壤排水情況決定了耐寒植物能否茁壯成長。微氣候同樣重要：高架花床、斜坡和鋪砌區域升溫較快，而低窪地帶在無風的夜晚會聚集冷空氣。
分區溫度與郵遞區號：2023 年 USDA 耐寒分區地圖，由 USDA 農業研究局與俄勒岡州立大學 PRISM 氣候小組提供。植物耐寒範圍來自 PlantoScan 的植物資料庫，僅供參考 — 當地環境、栽培品種及冬季保護措施會影響植物的存活率。