Open 7 Days a Week

Mon – Sat 9 am-5 pm
Sun 10 am-3 pm

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Gift Shop

Trees & Shrubs

Gardening Supplies

Annuals & Perennials

New Castle Gardens

6501 CR 214 (Peach Valley Road)
New Castle, CO 81647

We are a smoke free nursery – No Fumar. For their safety, and that of our customers, please leave your pets at home.
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Find all of our Newsletters on our Garden Talk blog.

Mother’s Day and May News

May Sales

Fox Farm Potting Soil 10% Off
Sulfur 10% Off… See more details here.

Upcoming Events and News

– Pre-order Lady Bugs, Preying Mantis, Lacewings, and Worms for Early June (please email me Michelle@NewCastleGardens.com what you would like.
– Vermicomposting Class
– Yoga in the Garden (Saturdays in July)

It’s Mothers Day this Weekend!

We have tons of lovely, living gifts (and some awesome local artwork and crafts) – Hanging baskets, Roses, Annuals, Custom pots, Houseplants, Fruit Trees, Fruits, Vegetables, Herbs, Perennials and More!

Tomatoes 101 FREE Gardening Class

FREE Hands-on Gardening Class Saturday 5/12 at 10 am. Learn how to organically plant and care for your tomatoes. We’ll help you prevent problems before they start and grow an incredible productive plant. We’ll have a very nice selection of locally grown tomato plants and all the amendments you need!

May Sale

Fox Farm Potting Soil 10% Off Sulfur 10% Off Elemental Sulfur and soil pH Maintaining your soil pH is a constant process. Here in Colorado we have alkaline soils (high pH) which can chemically tie up nutrient availability for plants. … Continue reading

Gardening 101

Free hands on gardening classes. Sat 04/21/2018 at 10:00 a.m. Free classes every Saturday at 10 a.m. through April 2018 Garden Siting, Zones, & Planting Dates 101 Know your zone, your micro-zones and what to plant when and where!ow that … Continue reading

April Garden Calendar – Colorado

Trees and Shrubs – Plant trees, shrubs, and bare-root stock. Consider the design of your yard when choosing plants. Group plants with similar soil, light and water requirements. – Remove mulch around roses and prune dead or damaged canes. – … Continue reading

April Sale

Black Gold Natural and Organic 2 cf $14.95 Black Gold Natural & Organic Potting Soil is so versatile it works for everything from hanging baskets to raised vegetable beds. This is not just any soil, it’s a precise blend of … Continue reading

Composting 101

Free hands on gardening class Saturday 04/14/2018 at 10:00 a.m. Free classes every Saturday at 10 a.m. through April 2018 Keep it out of the landfill and feed your garden! We can help you make rich compost from your kitchen … Continue reading

Sale – Salamander Soil $14.95

Salamander Soil® Potting Mix SUPER Water Holding Properties A trek through the Giant Redwood Forests of the Pacific Northwest is refreshing and magical. Mother Nature holds many secrets within these forests unless you know where to look. Hidden under the … Continue reading