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Blue Oak and Northwind Switchgrass


What is

Life Span
Perennial  
Perennial  

Type
Grass  
Tree  

Origin
North America, Canada, Mexico  
United States, California  

Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle  
-  

Number of Varieties
100  
99+
8  

Habitat
Forest edges, Hillside, Woods  
Woodland Garden Canopy  

USDA Hardiness Zone
-9999  
6-9  

AHS Heat Zone
9*1  
9-1  

Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23  
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24  

Habit
Upright/Erect  
Spreading  

Information

Plant Size
  
  

Minimum Height
150.00 cm  
99+
1,520.00 cm  
28

Minimum Width
90.00 cm  
99+
1,370.00 cm  
12

Plant Color
  
  

Flower Color
Blue, Dark Purple, Light Purple, Red, White  
Red, Yellow green  

Flower Color Modifier
Bicolor  
Bicolor  

Fruit Color
-  
-  

Leaf Color in Spring
Green, Light Green, Blue Green, Gray Green  
Green, Blue Green  

Leaf Color in Summer
Light Green  
Green, Blue Green  

Leaf Color in Fall
Red, Green, Orange, Blue Green, Gray Green, Bronze  
Yellow, Orange, Pink  

Leaf Color in Winter
Tan, Sandy Brown  
-  

Shape
  
  

Leaf Shape
Oblovate  
Irregular  

Thorns
No  
No  

Season

Plant Season
Spring, Summer, Fall, Winter  
Spring, Summer, Fall, Winter  

Growing Conditions
  
  

Sunlight
Full Sun, Partial Sun  
Full Sun, Partial Sun  

Growth Rate
Fast  
Slow  

Type of Soil
Clay, Loam, Sand  
-  

The pH of Soil
Acidic, Neutral, Alkaline  
-  

Soil Drainage
Average  
-  

Bloom Time
Early Summer, Summer, Late Summer  
Spring  

Repeat Bloomer
No  
No  

Tolerances
Pollution, Soil Compaction  
Drought  

Care

Where to Plant?
Container, Ground  
Ground  

How to Plant?
Seedlings, Stem Planting  
Seedlings  

Plant Maintenance
Medium  
Medium  

Watering Plants
  
  

Watering Requirements
-  
Average Water Needs  

In Summer
Drought Tolerant, Average Water  
Lots of watering  

In Spring
Moderate  
Moderate  

In Winter
Average Water  
Average Water  

Soil
  
  

Soil pH
-  
-  

Soil Type
-  
-  

Soil Drainage Capacity
-  
-  

Sun Exposure
-  
Full Sun, Partial Sun  

Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves  
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts  

Fertilizers
All-Purpose Liquid Fertilizer  
All-Purpose Liquid Fertilizer  

Pests and Diseases
Red blotch  
Red blotch  

Plant Tolerance
Pollution, Soil Compaction  
Drought  

Facts

Flowers
Showy  
Insignificant  

Flower Petal Number
Single  
-  

Fruits
  
  

Showy Fruit
Yes  
Yes  

Edible Fruit
No  
No  

Fragrance
  
  

Fragrant Flower
No  
No  

Fragrant Fruit
No  
No  

Fragrant Leaf
No  
No  

Fragrant Bark/Stem
No  
No  

Showy Foliage
Yes  
Yes  

Showy Bark
No  
Yes  

Foliage Texture
Fine  
Medium  

Foliage Sheen
-  
-  

Evergreen
No  
No  

Invasive
-  
No  

Self-Sowing
-  
Yes  

Attracts
Bees, Flies  
Birds  

Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting  
Pollen  

Benefits

Uses
  
  

Aesthetic Uses
-  
Borders  

Beauty Benefits
-  
-  

Edible Uses
-  
Yes  

Environmental Uses
Air purification  
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak  

Plant Benefits
  
  

Medicinal Uses
Fever, Kidney problems, Urinary tract problems  
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat  

Part of Plant Used
Flowers, Root  
Leaves, Seeds, Wood  

Other Uses
-  
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware  

Used As Indoor Plant
-  
No  

Used As Outdoor Plant
Yes  
Yes  

Garden Design
-  
Feature Plant, Shade Trees, Street Trees  

Scientific Name

Botanical Name
PANICUM virgatum 'Northwind'  
QUERCUS douglasii  

Common Name
Northwind Switchgrass, Switchgrass  
Blue Oak  

In Hindi
Hydrangea  
Blue Oak Tree  

In German
Hortensie  
Blaue Eiche  

In French
Hortensia  
Bleu Oak Tree  

In Spanish
Hortensia  
Azul del árbol de roble  

In Greek
υδραγεία  
Μπλε Oak Tree  

In Portuguese
Hortênsia  
Carvalho azul  

In Polish
Hortensja  
Niebieski Oak Tree  

In Latin
Hibiscus  
Blue quercum ligno  

Classification

Kingdom
Plantae  
Plantae  

Phylum
-  
Magnoliophyta  

Class
-  
Magnoliopsida  

Order
-  
Fagales  

Family
-  
Fagaceae  

Genus
-  
Quercus  

Clade
-  
Angiosperms, Eudicots, Rosids  

Tribe
-  
-  

Subfamily
-  
-  

Number of Species
1  
20  

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