Basics

Ease of Growing
Moderate
Grown as
Annual
Days to Maturity
35-52 (Spring/Summer), 35-52 (Fall/Winter)
Growing Habit
Bush
Hardiness
Half Hardy

Nasturtiums will sprout again after a light frost but will not tolerate a hard freeze.

Crops
Spring Transplant, Spring
Growing Season
Short, Long
Cultivar Type
-
Growing Conditions
Cool, Warm

Nasturtiums will grow best in a sunny part of the garden in areas with cooler summers, but should be placed in a partially shady spot in areas with hotter summer days.

Outdoor Growing Temp
50°F - 90°F
Min Outdoor Soil Temp
55°F

Seeds will germinate at 55 to 68˚F but will take longer to germinate above 65˚F

Start Indoors
Yes
Start Outdoors
Yes
Light
Sun: min. 6 hours daily (Cool)

Nasturtiums grow best in the sun in areas with cooler summers. 

Water
Moderate

For the best flavor, keep nasturtiums well watered. This helps to neutralize the spiciness of the greens and flowers.

Feeder
Light

Grow nasturtium in soil that is higher in Phosphorus and Potassium than Nitrogen. Growing Nasturtiums in nitrogen rich soil produces more vegetative growth and discourages blooming.

Suitability
Needs summer shade
Small Gardens?
Yes
Containers?
Yes

Dwarf varieties are well-suited for container growing. Some Trailing varieties can be placed in a hanging container.

Attracts beneficial insects?
Yes
Color
Red, yellow, orange, pink and rose.
Fruit Size
-"
Plant Height
6.0-24.0"
Plant Diameter
12.0-24.0"
Hardiness Zone
4-11
Disease Resistance
-
Taste Profile

Leaves and flowers are known for their peppery, mustard-like flavor.