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New Castle Gardens is open for zero-contact sales only. Phone, Email and Website orders will be processed via credit card and your order will be available for pick-up outside the garden center.

With everything that is happening we feel it would be wise to grow as much of your own food as possible. We have seeds, fertilizer, soils and amendments available to pre-order and pick up with zero contact as well as seeds to order online shipped directly to your house. We will have organic, locally grown produce starts later in the Spring.

Our spring gardening class curriculum is now online!

Gardening Supplies

Soils & Amendments

Online Gardening Classes

Thank You for Choosing Us as Locals’ Choice Best Garden Center / Nursery 3 Years in a Row!


GARDEN TALK

New Castle Gardens final_New font

Zero Contact Sales

New Castle Gardens is open for zero contact sales. Call, email, or place an online order. We’ll take your credit card payment via phone and schedule a time for you to pickup outside the garden center.


April Garden Calendar

Garden cleanup is the first priority. Rake leaves and debris from around trees, shrubs and other garden areas. Check trees and shrubs for broken or dead branches and prune when necessary.
Plant container trees and shrubs from now through late spring. Consider the purpose of your landscape as well as the size of your property, and talk to us if you have questions about what will do well in your circumstance.
Early April
Plant Asparagus crowns (roots) in trenches 6-inches deep. Then, as plants grow, gradually fill in with soil. In an established asparagus bed work nitrogen fertilizer around plants before spears emerge.
Soak Parsley seeds 24 hours before planting ¼-inch deep.
Dill seeds should be pressed lightly into the soil.
It’s not too late to plant all varieties of peas, though they usually are planted late March
Start tomato seeds.
Mid April
Plant lettuce, chard, spinach, kale, beets, carrots, radishes, and onion sets.
Start seeds of flowers like zinnias and celosia that need four weeks before planting outside. It’s not too late to plant Cardinal Seed Vine and Hyacinth Bean Vine indoors, two annual vines that put on a beautiful show mid to late summer.
Late April
Start thinning vegetable seedlings to recommended spacing.
Spring and summer bulbs and roots like hyacinth, lily of the valley, anemone, lilies, freesia, gladiolus, dahlia, and peonies can be planted now.
Transplant: When soil has thawed, divide and transplant summer and fall blooming perennials.
Roses: Once new growth starts, usually mid-April, slowly remove mulch from around the plants. Prune dead or damaged canes first, then prune all other canes to approximately 1 to 2 feet above ground. As active growth appears, fertilize with a rose food formulation. Do not prune live canes of climbing roses. However, cutting out dead canes is recommended.
Lawn care: Core aeration is one of the most beneficial things you can do to maintain a healthy lawn.
Weeding: Hand pull weeds before they get too big or there are too many. If possible, make this the year you don’t use chemical herbicides. We carry 30% horticultural vinegar.
Adapted from: https://gazette.com/news/year-round-gardening-april-garden-calendar/article_5d4b4889-40df-50b3-8a5e-650daa0f594c.html


April Sale

10% Off All Bagged Soils and Amendments


Garden Classes

All of our Spring Gardening Classes will be offered online this year. Check out our new YouTube channel or our Classes page.


Spring Lawn Maintenance


Now is the time to prepare your lawn for warmer weather. We have ours aerated every spring and then fertilize with Pro-Rich All Season Turf Food. It is natural and organic. We have it in stock at $29.95, and it is 10% off through 04/30/2020.


Seed Potatoes


Order Online – Fortress Russet, Yellow Finn, Dark Red Norland

Dark Red Norland
A red-skinned, white-fleshed cultivar with a primary use for salads, very good for boiling. However, it can also be good for making french fries and potato chips, but is not good for baking. Norlands are determinate and short-season. They yield well with uniform shape, seldom developing off-type tubers. Norlands are adaptable to cooler climates.

Yellow Finn
This outstanding potato has a waxy yellow skin and makes delicious salads, gratins, stews, and scalloped potatoes layered with cheese. Its sweet, buttery flavor is attractive to gourmet cooks and potato lovers alike. Each potato is a medium size and varied in shape but is often oblong and slightly tapered toward each end.

Fortress Russet
It is called “Fortress” because of its highly desirable disease resistance to major potato diseases including: PVY, early and late blight, and verticillium wilt.


Seeds In The Store


We are working to keep our inventory up-to-date on the Plants & Seeds page. Please call, email, or visit the seeds page to order so we can have your order ready for free pickup. Locally grown organic plant starts will be in next month.

Growing your own food is more important than ever

Victory Gardens – The Importance of Growing Your Own Food

Given our current situation, we feel it is vital to grow as much of your own food as possible.

Gardens are vital given what is currently happening with lack of food in stores. Gardening provide significant and tangible benefits: from food production to mental health to stronger, more virus resistant bodies that result from gardening and a safe haven in an outdoor space while practicing safe social distancing.


March Sale 10% Off All Bagged Soils and Amendments

Soils are in and ready for your spring garden prep.


Garden Classes & Social Distancing

New Castle Gardens is producing a series of videos of our classes in order to allow for garden education while social distancing is necessary. They will be on our website and social media in the coming weeks. The curriculum will also be added as a pdf.


Garden Ed & Home Schooling

For parents that are now homeschooling to those that always have, gardening is not only a chance to be outside and get physical exercise, but an educational opportunity. I teach gardening to children and adults and will be sharing my curriculum with everyone on our website and social media. Gardening teaches our children where our food comes from, in addition there is a strong science component to it. It also empowers them knowing that they will have their own food and may help relieve some of the anxiety they are feeling.


Spring Gardening Supplies

We have seeds, soils, and amendments in. Everything you need to start your seeds inside your house or greenhouse.


Spring Planting

Time to start your root crops, peas and potatoes outside.

Time to Start Your Seeds

Soils and seeds are in!  We have everything to get your garden started.  Soft open this Monday, 3/2 at 9 a.m.

Time to Start Your Seeds

Soils are in and ready for your spring garden prep.

  • New Castle Gardens

    6501 CR 214
    New Castle, CO 81647
    970-984-3850
    Email Us
    We are open for Zero Contact Orders Only
    Please Call, Email, or Order Online for Free Pickup

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Zero Contact Sales

New Castle Gardens is open for zero contact sales. Call, email, or place an online order. We’ll take your credit card payment via phone and schedule a time for you to pickup outside the garden center.


April Garden Calendar

Garden cleanup is the first priority. Rake leaves and debris from around trees, shrubs and other garden areas. Check trees and shrubs for broken or dead branches and prune when necessary.
Plant container trees and shrubs from now through late spring. Consider the purpose of your landscape as well as the size of your property, and talk to us if you have questions about what will do well in your circumstance.
Early April
Plant Asparagus crowns (roots) in trenches 6-inches deep. Then, as plants grow, gradually fill in with soil. In an established asparagus bed work nitrogen fertilizer around plants before spears emerge.
Soak Parsley seeds 24 hours before planting ¼-inch deep.
Dill seeds should be pressed lightly into the soil.
It’s not too late to plant all varieties of peas, though they usually are planted late March
Start tomato seeds.
Mid April
Plant lettuce, chard, spinach, kale, beets, carrots, radishes, and onion sets.
Start seeds of flowers like zinnias and celosia that need four weeks before planting outside. It’s not too late to plant Cardinal Seed Vine and Hyacinth Bean Vine indoors, two annual vines that put on a beautiful show mid to late summer.
Late April
Start thinning vegetable seedlings to recommended spacing.
Spring and summer bulbs and roots like hyacinth, lily of the valley, anemone, lilies, freesia, gladiolus, dahlia, and peonies can be planted now.
Transplant: When soil has thawed, divide and transplant summer and fall blooming perennials.
Roses: Once new growth starts, usually mid-April, slowly remove mulch from around the plants. Prune dead or damaged canes first, then prune all other canes to approximately 1 to 2 feet above ground. As active growth appears, fertilize with a rose food formulation. Do not prune live canes of climbing roses. However, cutting out dead canes is recommended.
Lawn care: Core aeration is one of the most beneficial things you can do to maintain a healthy lawn.
Weeding: Hand pull weeds before they get too big or there are too many. If possible, make this the year you don’t use chemical herbicides. We carry 30% horticultural vinegar.
Adapted from: https://gazette.com/news/year-round-gardening-april-garden-calendar/article_5d4b4889-40df-50b3-8a5e-650daa0f594c.html


April Sale

10% Off All Bagged Soils and Amendments


Garden Classes

All of our Spring Gardening Classes will be offered online this year. Check out our new YouTube channel or our Classes page.


Spring Lawn Maintenance


Now is the time to prepare your lawn for warmer weather. We have ours aerated every spring and then fertilize with Pro-Rich All Season Turf Food. It is natural and organic. We have it in stock at $29.95, and it is 10% off through 04/30/2020.


Seed Potatoes


Order Online – Fortress Russet, Yellow Finn, Dark Red Norland

Dark Red Norland
A red-skinned, white-fleshed cultivar with a primary use for salads, very good for boiling. However, it can also be good for making french fries and potato chips, but is not good for baking. Norlands are determinate and short-season. They yield well with uniform shape, seldom developing off-type tubers. Norlands are adaptable to cooler climates.

Yellow Finn
This outstanding potato has a waxy yellow skin and makes delicious salads, gratins, stews, and scalloped potatoes layered with cheese. Its sweet, buttery flavor is attractive to gourmet cooks and potato lovers alike. Each potato is a medium size and varied in shape but is often oblong and slightly tapered toward each end.

Fortress Russet
It is called “Fortress” because of its highly desirable disease resistance to major potato diseases including: PVY, early and late blight, and verticillium wilt.


Seeds In The Store


We are working to keep our inventory up-to-date on the Plants & Seeds page. Please call, email, or visit the seeds page to order so we can have your order ready for free pickup. Locally grown organic plant starts will be in next month.

Growing your own food is more important than ever

Victory Gardens – The Importance of Growing Your Own Food

Given our current situation, we feel it is vital to grow as much of your own food as possible.

Gardens are vital given what is currently happening with lack of food in stores. Gardening provide significant and tangible benefits: from food production to mental health to stronger, more virus resistant bodies that result from gardening and a safe haven in an outdoor space while practicing safe social distancing.


March Sale 10% Off All Bagged Soils and Amendments

Soils are in and ready for your spring garden prep.


Garden Classes & Social Distancing

New Castle Gardens is producing a series of videos of our classes in order to allow for garden education while social distancing is necessary. They will be on our website and social media in the coming weeks. The curriculum will also be added as a pdf.


Garden Ed & Home Schooling

For parents that are now homeschooling to those that always have, gardening is not only a chance to be outside and get physical exercise, but an educational opportunity. I teach gardening to children and adults and will be sharing my curriculum with everyone on our website and social media. Gardening teaches our children where our food comes from, in addition there is a strong science component to it. It also empowers them knowing that they will have their own food and may help relieve some of the anxiety they are feeling.


Spring Gardening Supplies

We have seeds, soils, and amendments in. Everything you need to start your seeds inside your house or greenhouse.


Spring Planting

Time to start your root crops, peas and potatoes outside.