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Blooming Habits of the Mother-in-Law's Tongue Plant

Perhaps as a trade-off for being given such an indelicate name, the mother-in-law's tongue plant (Sansevieria trifasciata) is unlikely to reward you with its fragrant flowers. When the flowers do appear, they will likely take you by surprise. Although the blooming habit of this plant is -- at best -- infrequent, with diligent care and a lot of patience, you may be able to coax this plant into giving you a floral show in spring.

Typically, mother-in-law's tongue -- also called snake plant -- is grown as a houseplant. If you live in its perennial range, U.S. Department of Agriculture plant hardiness zones 10 through 12, you can also grow it in your garden. Its forgiving nature and tolerance of harsh growing conditions is a two-edged sword: Although it can survive drought, poor soil and a range of lighting conditions, it may not thrive to the point of bearing flowers under these circumstances.

Optimal Flowering Conditions

Container Conditions

Mother-in-law's tongue likes a tight fit in its container -- a condition called being pot bound. Although you can grow it in a large pot, you may never see it bloom, because its roots may not ever grow to the limits of the pot.

Tip

No matter the size of its container, this plant needs good drainage, because it is susceptible to root and crown rots -- fungal diseases that prosper in wet and waterlogged soil. Make sure the pot has a drainage hole so the water drains freely from the bottom.

Soil

Because snake plant is not fussy about soil, you can use a soil-based medium or a soilless potting mix, particularly one that is blended for cactuses and succulents.

Tip

If you grow mother-in-law's tongue outdoors year-round, planting it in a container or in a raised bed improves the drainage.

Water

During mother-in-law's tongue growing season -- typically spring through fall -- water it thoroughly until the water drains from the bottom of the pot. Wait until the soil is dry to the touch before watering again. Water infrequently during the fall and winter, just enough to moisten the soil.

Warning

Keep water out of the center rosette, because it will collect there and it may cause the crown to rot.

Light

Bright light is best. Although mother-in-law's tongue can tolerate some direct sun, protect them from full sun, particularly in the afternoon.

Age

An old plant is the best candidate for flowering, but only if all the optimal growing conditions are met.

The Flowers

When mother-in-law's tongue does flower, it's in spring. It produces small, fragrant, greenish-white flowers borne in sprays. Orange berries follow the flowers.

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