December is a great time to start planting in Arizona. With cooler temperatures and plenty of sunshine, it’s the perfect time to grow a variety of vegetables, fruits, and flowers. But what should you plant in December in Arizona?
Before you start planting, it’s important to understand Arizona’s climate. Arizona has a hot and dry climate with mild winters. The state is divided into three regions: the low desert, the high desert, and the mountain regions. Each region has its own unique climate and soil conditions, which can affect what you can plant and when.
To help you get started, this article will provide a December planting calendar for Arizona, as well as tips for preparing your garden and caring for your plants. We’ll also cover the best vegetables, flowers, herbs, and fruits to plant in December, as well as planting tips for different regions of Arizona.
Key Takeaways
- December is a great time to start planting in Arizona, with cooler temperatures and plenty of sunshine.
- Arizona’s climate is hot and dry with mild winters, and the state is divided into three regions, each with its own unique climate and soil conditions.
- This article provides a December planting calendar for Arizona, as well as tips for preparing your garden and caring for your plants, and covers the best vegetables, flowers, herbs, and fruits to plant in December, as well as planting tips for different regions of Arizona.
More on this category:
- What To Plant In A Shallow Indoor Planter
- When to Uncover Strawberry Plants in the Spring?
- When to Plant Zucchini in Southern California?
Understanding Arizona’s Climate
Arizona’s climate is classified as arid or semi-arid due to the low amount of rainfall the area receives. The state is known for its hot summers and mild winters, with temperatures dropping at night in the winter. The winter season in Arizona is characterized by clear blue skies and sunny days, with little to no precipitation.
During the winter months, the sun shines brightly in Arizona, making it a perfect time to grow vegetables that thrive in the sun. However, the heat and sun can also cause damage to some plants, so it’s important to choose the right plants for the season.
Frost can be a concern in some parts of Arizona during the winter months. In areas where frost is a possibility, it’s important to protect frost-sensitive plants by covering them with blankets or other protective materials.
Arizona is a desert state, which means that the soil can be dry and nutrient-poor. It’s important to amend the soil with compost and other organic matter to ensure that plants have the nutrients they need to thrive.
December Planting Calendar
December is a great time to plant in Arizona, with plenty of options for vegetables, herbs, and flowers. The following planting calendar provides a guide to what to plant in December in Arizona:
| Plant | Planting Time | Soil Temperature |
| Broccoli | Early December | 40-70°F |
| Cabbage | Early December | 40-70°F |
| Cauliflower | Early December | 40-70°F |
| Carrots | Early December | 45-85°F |
| Kale | Early December | 40-70°F |
| Lettuce | Early December | 40-70°F |
| Peas | Early December | 40-70°F |
| Radishes | Early December | 45-85°F |
| Spinach | Early December | 40-70°F |
December is also a good time to plant herbs such as chives, cilantro, dill, fennel, parsley, and thyme. These herbs prefer cooler temperatures and can be planted from seed or transplanted from nursery pots.
For those looking to add some color to their garden, December is a good time to plant annual flowers such as calendula, pansies, petunias, and snapdragons. These flowers prefer cooler temperatures and will bloom throughout the winter months.
It is important to note that planting times may vary depending on the specific microclimate of your garden. Soil temperature is also an important factor to consider when planting, as some plants prefer cooler temperatures while others prefer warmer soil.
It is recommended to use a soil thermometer to ensure the soil temperature is within the appropriate range for the plants being planted.
Preparing Your Garden
December is the perfect time to prepare your garden for the upcoming growing season. Before planting new crops, it’s important to ensure that your garden is in good condition. Here are some tips to prepare your garden for planting in December:
1. Soil Preparation
It’s important to ensure that your soil is healthy and fertile before planting. Start by removing any weeds, rocks, or debris from the soil. Then, add organic matter such as compost, manure, or peat moss to improve soil structure and fertility. This will help to retain moisture and nutrients, and improve drainage.
2. Watering
In Arizona, it’s important to water your garden regularly, especially during the dry winter months. Make sure to water deeply and infrequently to encourage deep root growth. Consider installing a drip irrigation system to conserve water and ensure that your plants receive the right amount of moisture.
3. Mulching
Mulching is an effective way to conserve moisture and suppress weeds in your garden. Consider using organic mulch such as straw, leaves, or wood chips to cover the soil around your plants. This will help to retain moisture, regulate soil temperature, and improve soil fertility.
4. Garden Maintenance
Regular garden maintenance is essential to keep your garden healthy and productive. This includes removing dead or diseased plants, pruning trees and shrubs, and fertilizing your garden as needed. Consider using organic fertilizers such as fish emulsion, bone meal, or blood meal to provide essential nutrients to your plants.
By following these tips, you can ensure that your garden is healthy and productive, and ready for planting in December.
Vegetables to Plant in December
December is a great month to plant vegetables in Arizona, as the cooler temperatures make it ideal for growing many different types of plants.
Lettuce, for example, is a great option for planting in December as it is cold-hardy and can grow even when there is snow or frost on the ground. Popular varieties include butterhead, Boston, and loose leaf lettuce.
Other great options for planting in December include cabbage, broccoli, and Brussels sprouts. These plants are part of the Brassica family and can be planted in succession to ensure a continual harvest. Harvesting when young and tender will provide the best taste.
Asparagus is another great option for planting in December. It is a perennial plant, meaning that it will continue to grow year after year, and can be harvested in the spring. Cauliflower, turnips, and kohlrabi are also great options for planting in December.
Celery is another great option for planting in December, as it is a cool-season crop that can be grown in a variety of soils. Peas are also a good option for succession sowing throughout the month, and carrots, beets, radish, and arugula can all be planted in December as well.
Kale, Brussels sprouts, rutabaga, bok choy, chard, and spinach are all great options for planting in December. Cucumbers can also be planted in December, but they will need to be protected from frost and cold temperatures. Overall, December is a great month to plant a variety of vegetables in Arizona.
Flowers to Plant in December
December is a great month to plant flowers in Arizona. The cool weather and ample sunshine make it an ideal time to add some color to your garden. Here are some of the best flowers to plant in December in Arizona:
1. Petunias
Petunias are a popular choice for Arizona gardens. They come in a variety of colors, including red, white, orange, blue, purple, pink, and yellow. Petunias thrive in heat and can bloom until early November. They are low-maintenance and easy to grow, making them a great choice for beginners.
2. Daffodils
Daffodils are a beautiful flower that blooms in the spring. However, they need to be planted in the winter to ensure a healthy bloom. December is a great time to plant daffodil bulbs in Arizona. They prefer well-drained soil and full sun.
3. Marigold
Marigolds are a hardy annual flower that can add a pop of color to your garden. They come in shades of yellow, orange, and red. Marigolds are easy to grow and can tolerate hot, dry weather. They are also known to repel pests, making them a great addition to any garden.
4. Pansies
Pansies are a cool-season flower that can bloom from fall through spring. They come in a variety of colors, including blue, purple, orange, yellow, white, red, and pink. Pansies prefer well-drained soil and partial to full sun. They are easy to grow and can add a splash of color to any garden.
Herbs to Plant in December
December is a great time to plant herbs in Arizona. Many herbs thrive in the warm, dry climate of the state. Here are some of the best herbs to plant in December:
1. Chives
Chives are a versatile herb that can be used in many dishes. They are easy to grow and can be planted in pots or in the ground. Chives prefer full sun and well-drained soil. They can be harvested as soon as they reach a few inches tall.
2. Cilantro
Cilantro is a popular herb in Mexican and Asian cuisine. It is easy to grow and can be planted in pots or in the ground. Cilantro prefers partial shade and well-drained soil. It can be harvested as soon as it reaches a few inches tall.
3. Dill
Dill is a flavorful herb that is often used in pickling. It is easy to grow and can be planted in pots or in the ground. Dill prefers full sun and well-drained soil. It can be harvested as soon as it reaches a few inches tall.
4. Parsley
Parsley is a versatile herb that can be used in many dishes. It is easy to grow and can be planted in pots or in the ground. Parsley prefers partial shade and well-drained soil. It can be harvested as soon as it reaches a few inches tall.
Fruits to Plant in December
December is the perfect time to plant fruit trees in Arizona, and there are many options to choose from. Fruit trees such as citrus trees like oranges, lemons, and grapefruits thrive in the Arizona climate. Other fruit trees like peaches, plums, figs, apples, pomegranates, and apricots can also be planted in December.
When planting fruit trees, make sure to choose a sunny spot in your garden and provide the trees with adequate water. Planting fruit trees now will give them time to establish before the warmer temperatures arrive.
Carolina cherry is another option that can be planted in December, and it is a hardy tree that can tolerate drought conditions.
Moon Valley Nurseries is a great resource for those looking to plant fruit trees in December. They offer a wide variety of fruit trees that are suited for the Arizona climate, and they can also provide guidance on how to care for your trees.
In addition to fruit trees, peppers and tomatoes can also be planted in December. These vegetables thrive in the warm Arizona climate and can provide a bountiful harvest throughout the winter months.
Christmas trees and Japanese blueberry are also popular options for those looking to add some festive greenery to their garden during the holiday season.
Planting in Different Arizona Regions
When it comes to planting in Arizona, it is important to take into account the different regions and their unique climates. Here is a breakdown of what to plant in different Arizona regions in December:
1. Phoenix
Phoenix is located in the low desert region of Arizona, which means that the winters are mild and the summers are hot.
In December, the average temperature is around 66°F, making it a great time to plant cool weather crops such as broccoli, cauliflower, lettuce, and spinach. It is also a good time to plant herbs such as cilantro, dill, and parsley.
2. Globe
Globe is located in the high desert region of Arizona, which means that the winters are cold and the summers are hot. In December, the average temperature is around 45°F, making it a good time to plant cool weather crops such as beets, carrots, and turnips. It is also a good time to plant herbs such as sage, thyme, and rosemary.
3. Tempe
Tempe is located in the low desert region of Arizona, which means that the winters are mild and the summers are hot.
In December, the average temperature is around 66°F, making it a great time to plant cool weather crops such as broccoli, cauliflower, lettuce, and spinach. It is also a good time to plant herbs such as cilantro, dill, and parsley.
4. Ajo
Ajo is located in the Sonoran desert region of Arizona, which means that the winters are mild and the summers are hot. In December, the average temperature is around 66°F, making it a great time to plant cool weather crops such as broccoli, cauliflower, lettuce, and spinach.
It is also a good time to plant herbs such as cilantro, dill, and parsley.
5. Flagstaff
Flagstaff is located in the mountain region of Arizona, which means that the winters are cold and the summers are mild. In December, the average temperature is around 30°F, making it a good time to plant cold weather crops such as garlic, onions, and shallots. It is also a good time to plant herbs such as chives, mint, and oregano.
6. Page
Page is located in the high desert region of Arizona, which means that the winters are cold and the summers are hot. In December, the average temperature is around 45°F, making it a good time to plant cool weather crops such as beets, carrots, and turnips. It is also a good time to plant herbs such as sage, thyme, and rosemary.
7. Queen Creek
Queen Creek is located in the low desert region of Arizona, which means that the winters are mild and the summers are hot. In December, the average temperature is around 66°F, making it a great time to plant cool weather crops such as broccoli, cauliflower, lettuce, and spinach.
It is also a good time to plant herbs such as cilantro, dill, and parsley.
8. Scottsdale
Scottsdale is located in the low desert region of Arizona, which means that the winters are mild and the summers are hot. In December, the average temperature is around 66°F, making it a great time to plant cool weather crops such as broccoli, cauliflower, lettuce, and spinach.
It is also a good time to plant herbs such as cilantro, dill, and parsley.
9. Surprise
Surprise is located in the low desert region of Arizona, which means that the winters are mild and the summers are hot.
In December, the average temperature is around 66°F, making it a great time to plant cool weather crops such as broccoli, cauliflower, lettuce, and spinach. It is also a good time to plant herbs such as cilantro, dill, and parsley.
Care for Your December Plants
When it comes to planting in December in Arizona, it’s important to ensure that your plants receive the proper care and attention to help them thrive. Here are some tips for taking care of your December plants:
1. Watering
Watering your plants is crucial to their survival. During the winter months, the air is cooler and drier, so it’s important to water your plants thoroughly and regularly. Make sure to water your plants deeply, but be careful not to overwater them. Overwatering can lead to root rot, which can be fatal for your plants.
2. Fertilizing
Fertilizing your plants is also important during the winter months. Use a slow-release fertilizer to provide your plants with the nutrients they need to grow strong and healthy. Be sure to follow the instructions on the fertilizer package to avoid over-fertilizing your plants.
3. Sunlight
Most plants thrive in full sun, so make sure to plant them in areas where they can get plenty of sunlight. If you have plants that require partial shade, make sure to plant them in areas where they will be protected from the harsh afternoon sun.
4. Blooming
If you want your plants to bloom during the winter months, it’s important to choose the right plants. Look for plants that are easy to grow and are known to bloom during the winter months. Some popular choices include pansies, petunias, and snapdragons.
5. Easy to Grow
When choosing plants to grow in December in Arizona, it’s important to choose plants that are easy to grow. Some popular choices include lettuce, spinach, and radishes. These plants are easy to grow and can be harvested in as little as 30 days.
6. Seeds
If you’re planting seeds in December, make sure to choose seeds that are appropriate for the winter months. Look for seeds that are cold-tolerant and can withstand the cooler temperatures. Some popular choices include broccoli, cauliflower, and cabbage.
7. Roots
When planting your plants, make sure to plant them deep enough to allow their roots to grow and spread. This will help your plants grow strong and healthy. Be sure to also provide your plants with enough space to grow, as overcrowding can lead to stunted growth and poor health.
By following these tips, you can ensure that your December plants receive the care and attention they need to thrive in the cooler winter months in Arizona.
Frequently Asked Questions
What are some good vegetables to plant in Phoenix during December?
December is a great time to plant cool-season vegetables in Phoenix. Some good options include broccoli, cauliflower, kale, lettuce, spinach, and carrots. These vegetables thrive in cooler temperatures and can tolerate mild frost.
Are there any specific plants that thrive in Arizona’s climate during December?
Arizona’s climate in December is typically mild, with cool temperatures and occasional frost. Some plants that thrive in this climate include winter vegetables such as broccoli, cauliflower, and kale, as well as herbs like cilantro and parsley.
What are the best crops to grow in Arizona during the winter months?
The best crops to grow in Arizona during the winter months are cool-season vegetables and herbs. These include broccoli, cauliflower, kale, lettuce, spinach, carrots, cilantro, and parsley.
These crops can tolerate mild frost and cooler temperatures, making them ideal for Arizona’s winter climate.
When is the best time to plant spinach and carrots in Arizona?
Spinach and carrots are cool-season vegetables that can be planted in Arizona during the winter months. The best time to plant spinach and carrots in Arizona is in late fall or early winter, typically between October and December.
These vegetables can tolerate mild frost and cooler temperatures, making them ideal for Arizona’s winter climate.
Where can I find tomato plants for sale in Phoenix?
Tomato plants can be found for sale at many nurseries and garden centers in Phoenix. Some popular options include SummerWinds Nursery, A&P Nurseries, and Moon Valley Nurseries.
It’s important to choose tomato plants that are suited for Arizona’s climate and can tolerate the heat and dry conditions.
What are some popular edible plants to grow in Arizona?
Arizona’s climate is ideal for growing a wide variety of edible plants. Some popular options include citrus trees such as oranges and lemons, herbs like basil and thyme, and vegetables like tomatoes, peppers, and squash.
It’s important to choose plants that are suited for Arizona’s climate and can tolerate the heat and dry conditions.
Hey, I’m Lisa and I’ve been an avid gardener for over 30 years. I love writing, talking and living in the garden! Feel free to connect with me on my socials below
