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Description
Nepeta Grandiflora, commonly known as Giant Catmint, is a perennial herbaceous plant belonging to the family Lamiaceae. It is native to the Caucasus Mountains and Iran and can grow up to 3 feet tall and wide. The plant features fragrant, tubular-shaped flowers that bloom in shades of violet-blue from late spring to early summer. Its leaves are gray-green and have a slightly rough texture.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Lamiaceae |
| Genus | Nepeta |
Appearance
Nepeta Grandiflora has a dense, bushy habit and can grow up to 3 feet tall and wide. It features gray-green leaves that are slightly rough to the touch. The plant’s fragrant flowers bloom in shades of violet-blue and grow in spikes that rise above the foliage. The flowers have a tubular shape and are about 1 inch long. Nepeta Grandiflora is a popular plant for attracting bees and butterflies to the garden.
Care Guide
Nepeta Grandiflora is a relatively low-maintenance plant that is easy to care for. Here are some tips for keeping your Giant Catmint healthy:- Water: Nepeta Grandiflora prefers well-drained soil and does not like to be kept too wet. Water deeply once a week, or when the top inch of soil feels dry.- Fertilization: Fertilize Nepeta Grandiflora once a month during the growing season with a balanced fertilizer.- Soil: Nepeta Grandiflora prefers well-drained soil that is rich in organic matter. A soil pH of 6.5 to 7.5 is ideal.- Sunlight: Nepeta Grandiflora prefers full sun to partial shade. It will tolerate some shade but may not bloom as well.- Hardiness Zones: Nepeta Grandiflora is hardy in USDA zones 4 to 8.
Common Pests & Diseases
Nepeta Grandiflora is generally resistant to pests and diseases. However, it may be susceptible to root rot in poorly-drained soil. Common pests that may affect Nepeta Grandiflora include spider mites, aphids, and whiteflies. These pests can be controlled with insecticidal soap or neem oil.
Habitat
Nepeta Grandiflora is native to the Caucasus Mountains and Iran. It grows in rocky areas and on hillsides, often in full sun. The plant is drought-tolerant and can grow in poor soil.
Question and Answer
Q: Is Nepeta Grandiflora deer-resistant?
A: Yes, Nepeta Grandiflora is deer-resistant.
Q: Can Nepeta Grandiflora be grown in containers?
A: Yes, Nepeta Grandiflora can be grown in containers. Use a well-draining potting mix and make sure the container has drainage holes.
Q: How often should I prune Nepeta Grandiflora?
A: Prune Nepeta Grandiflora back by one-third after it has finished blooming to encourage new growth and a bushier habit.
Q: Can Nepeta Grandiflora be divided?
A: Yes, Nepeta Grandiflora can be divided in the spring or fall. Dig up the plant, separate the clumps, and replant them in well-drained soil.
Related Plants
– Nepeta Cataria (Catnip)- Nepeta Faassenii (Faassen’s Catmint)- Nepeta Racemosa (Catmint ‘Walker’s Low’)- Nepeta X Faassenii ‘Six Hills Giant’
References
– “Nepeta Grandiflora.” Missouri Botanical Garden. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=279234&isprofile=0&basic=nepeta%20grandiflora- “Nepeta Grandiflora.” Gardenia.net. https://www.gardenia.net/plant-variety/nepeta-grandiflora-giant-catmint
