6 Fast Growing Indoor Flowering Plants

Stephanie is a Senior Horticulturist specializing in tropical plants, succulents, and herbs. She combines her love of plants and words to create informative and engaging content for readers.
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If patience is not your best virtue, grow these 6 indoor plants that flower quickly, unlike other houseplants that take years!

Nobody loves waiting, especially when it comes to indoor gardening. Time is of the essence, and this article highlights the fastest-growing indoor flowering plants that respect your eagerness and passion. Now, they are not fast-growing when it comes to their growth, but they bloom faster once you have them.


6 Fast-Growing Indoor Flowering Plants

1. Geranium

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Botanical Name: Pelargonium

Geraniums are known for their brightly colored flowers and fragrance. But their rapid growth pace is often overlooked. They can grow by 2 to 4 inches per week (under ideal conditions) in their active growing season.

Just make sure to place them in the sunniest spot possible and plant them in a rich, well-draining potting mix with the occasional fertilization to aid in their quick growth.

2. Cape Primrose

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Botanical Name: Streptocarpus

Cape Primrose is a speedy grower and if you propagate it from cuttings, it can start blooming within 4 months after propagation.

They like warm spots and moist soil but protect them from the direct afternoon sun. A west or east-facing window will be perfect to fulfil their sunlight requirements.

3. Impatiens

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Botanical Name: Impatiens walleriana

Impatiens already prefer shade when grown outdoors, so growing them indoors is pretty much possible. You don’t have to wait long for these floral beauties to bloom, even when you grow them from seeds–just 8 weeks.

4. Peace Lily

Peace Lily indoor
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Botanical Name: Spathiphyllum

The Peace Lily should be your first choice if you like plants with attractive white spathes and glossy dark green leaves.

It has a slower growth rate than the others on this list, but after the first year, it can produce flowers much quicker. Along with its beauty, this plant is an air purifier known for removing toxins from the air!

These plants dislike direct sunlight but prefer warm, stable temperatures. Grow them in bright locations and away from cold drafts, as they will reduce their growth pace.

5. Hibiscus

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Botanical Name: Hibiscus syriacus

Hibiscus is a rapidly growing outdoor shrub that needs no introduction due to its iconic tropical blooms. But you can easily introduce it indoors if you have a bright window or balcony!

This plant is forgiving when it comes to sunlight exposure and soil type, but you’ll have to look for dwarf varieties to keep them in small pots.

6. Kalanchoe

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Botanical Name: Kalanchoe

Lastly on the list is Kalanchoe! This plant might be a very slow grower in terms of overall size, but its clusters of tiny, brightly colored blooms emerge quickly and often. Its thick, fleshy leaves also add to its visual appeal.

This succulent prefers arid conditions like low humidity, infrequent watering, and relatively high temperatures. But beware, this plant is toxic and leads to stomach issues and abnormal heart rhythms.

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