Solidago macrophylla, the largeleaf goldenrod or large-leaved goldenrod, is North American species of herbaceous perennial plants of the family Asteraceae. It is native to eastern and central Canada (from Ontario to Newfoundland & Labrador) and the north-eastern United States (New York and New England). Some of the populations in Québec and Labrador lie north of the Arctic Circle.Solidago macrophylla is a perennial herb up to 105 cm (42 inches) tall, with a thick woody rhizome. Leaves can be up to 15 cm (6 inches) long. One plant can produce 110 or more small yellow flower heads, mostly on short side branches.
Zigzag Goldenrod is fairly resistant to disease and is generally not prone to illnesses. Still, it can be vulnerable to pests and diseases present nearby, though these problems are usually not serious. Regarding care, the plant needs moderate maintenance. It should be pruned regularly to keep a neat appearance and encourage healthy growth. Fertilizing can also help stimulate flowering. Zigzag Goldenrod is well suited to anyone with outdoor space, such as a garden or patio, and does not demand extensive plant-care experience. It may need more attention when grown indoors.
How to keep Solidago Macrophylla.
Light
Zigzag Goldenrod favors habitats that provide a mix of sun and shade throughout the day. It can also tolerate sites where sunlight is either continuously present or largely lacking. Excessive sun can inhibit its growth, while too little light may cause stunted development.
Temperature
Zigzag Goldenrod prefers temperatures from 41 to 95 ℉ (5 to 35 ℃) and can withstand both hot summers and cold winters. Its native habitats related to these temperature needs include deciduous woodlands, wooded slopes, and shaded meadows. To cope with seasonal temperature changes, avoid exposing the plant to direct sunlight on hot summer days and provide winter protection in colder regions.
Fertilizer
One fertilizer application in spring is generally sufficient for Zigzag Goldenrod, though multiple feedings can optimize growth. Apply fertilizer about every month to month and a half. Fertilization improves the leaves' appearance and function, helping maintain even color and a healthy texture. It also promotes root development and nutrient uptake for the plant's long-term health.
Pot & Repot
To thrive, largeleaf goldenrod needs excellent drainage when grown in pots.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Solidago
- Family
- Asteraceae
- Hardiness Zone
- 5-9
- Mature Height
- 15 cm to 91 cm
- Mature Spread
- 30 cm to 91 cm
- Leaf Color
- Green, Yellow, Variegated
- Leaf Type
- Deciduous
- Flower Color
- Gold, Yellow
- Flower Size
- 2.54 cm
- Bloom Time
- Mid summer
- Planting Time
- Spring, Summer, Autumn
- Harvest Time
- Mid summer, Late summer
Other names.
Reader questions.
What are the sunlight requirements for Largeleaf Goldenrod (Solidago macrophylla)?
Largeleaf Goldenrod (Solidago macrophylla) thrives in various sunlight conditions. For it to flourish, it requires 'Full sun,' which means the plant should receive above 6 hours of sunlight daily. Alternatively, it can also grow well under 'Partial sun' conditions, requiring about 3-6 hours of sunlight each day. It's important to observe the way sunlight moves through your garden, identifying spots that offer an ideal balance of light and shade. This observation ensures the plants are placed in locations where they can be happy and healthy.
