Tag: Crassula

2. Fertilizer Issues

The type and timing of fertilization can significantly impact whether or not a jade plant will bloom.

Many growers unknowingly use fertilizers that promote lush foliage at the expense of flowers.

Nitrogen-rich fertilizers encourage leafy, vegetative growth. While this creates beautiful, green foliage, high nitrogen levels actively inhibit flowering.

For bloom production, these succulents need phosphorus and potassium.

Phosphorus (the “P” in NPK ratios) supports root development and, crucially, flower formation. Potassium (the “K”) promotes overall health and stress tolerance.

Additionally, continuing to fertilize during the fall and winter keeps the plants in active growth mode when they should be resting.

During the spring and summer growing season, use a fertilizer specifically formulated for cacti and succulents.

Look for NPK ratios like 2-7-7, 5-10-5, or similar formulations where phosphorus and potassium equal or exceed nitrogen.

Apply fertilizer at half strength once a month during active growth, and always apply to moist soil to avoid burning the roots.

Critically, stop fertilizing completely in fall. Don’t resume feeding until after blooming or spring growth resumes.

Learn more about fertilizing succulents here.

3. High Humidity

Jade plants evolved in dry, rocky areas of South Africa with low humidity, and these arid conditions play a role in flowering.

Most home interiors have moderate humidity levels. While this isn’t harmful, it tends to be more moisture in the air than these succulents would experience in their native environment during the dry season.

High humidity, combined with regular watering, can prevent flower bud formation.

During the fall rest period, keep your houseplant in a dry location. Avoid placing it near humidifiers, in bathrooms, or in kitchens where moisture levels tend to be higher.

If you live in a particularly humid climate, running a dehumidifier in the room may help.

The combination of low humidity, bright light, cool temperatures, and reduced watering creates the arid fall and winter conditions that jade plants need to bloom.

4. Insufficient Light

Jade plants are sun-loving succulents that need abundant bright light to bloom.

While they’ll survive in moderate light conditions and grow – albeit slowly – flowering demands much more intense exposure.

To set flower buds, jade plants typically need at least four to six hours of bright, direct sunlight daily.

Some gardeners recommend eight to 12 hours for reliable blooming.

Plants grown in low or moderate light often become leggy – their stems stretch and the space between leaves increases as they reach toward any available light source.

This weak growth pattern is a clear indicator that the plant isn’t receiving enough sun to support flowering.

Move your jade to the brightest location in your home. South-facing windows provide the most consistent, intense light in the Northern Hemisphere. West-facing windows can also work well.

For light infestations, dip a cotton swab in rubbing alcohol and touch it directly to each mealybug. The alcohol kills them on contact.

In the case of larger infestations, neem oil or insecticidal soap work well.

You may need to repeat treatments every five to seven days for several weeks to completely eliminate the pests, as eggs can hatch after initial treatment.

Our guide to battling mealybugs has more information.

Scale

Scale insects appear as small, brown, oval bumps on stems and leaves. Like mealybugs, they suck sap from the tissue and can weaken it over time.

These pests are less common than mealybugs but can be more stubborn to eliminate.

Remove scale manually by scraping them off with your fingernail or a dull knife, then follow up with rubbing alcohol on a cotton swab to kill any you missed.

Learn more about scale here.

Spider Mites

Spider mites occasionally appear, particularly when conditions are warm and dry with poor air circulation.

These tiny arachnids are difficult to see with the naked eye, but you’ll notice their webbing between leaves and stems.

Infested specimens may have stippled, yellowing leaves or a dusty appearance. Increase humidity around the plant by misting or spraying it off with water.

For persistent problems, neem oil or insecticidal soap can help.

Check out our guide to spider mites to learn more.

Disease

Root rot is the most serious problem you’re likely to encounter. This happens when plants sit in waterlogged soil, creating conditions that starve the roots of oxygen and encourage pathogens.

Symptoms include yellowing or blackening leaves, soft or mushy stems, and a generally declining appearance.

If you suspect root rot, unpot immediately and examine the roots. Healthy roots are firm and white or tan, while rotted roots are brown, black, and mushy with an unpleasant smell.

If you catch it early, you can sometimes save the plant. Remove all affected roots with clean scissors, let them dry completely for several days, and repot into fresh, dry soil.

Don’t water for at least a week. Unfortunately, severely affected specimens may not recover.

Prevention is key: always use well-draining soil, pots with drainage holes, and allow soil to dry completely between waterings.

Learn more about managing root rot here.

While not a disease, leaf drop can result from overwatering, underwatering, sudden temperature changes, or insufficient light.

Assess your growing conditions and adjust as needed.

E.T. Phone Home

Whether you’re adding to an established succulent collection or looking for a forgiving first houseplant with personality, ‘Gollum’ aka Shrek ears or E.T. fingers fits the bill.

Once you nail down the basics: bright light, well-draining soil, and a hands-off approach to watering, ‘Gollum’ will reward you with years of reliable growth and those distinctive finger-like leaves that never fail to spark conversation.

Are you growing ‘Gollum’ jade? Let us know in the comments section below!

And for more information about growing plants in the Crassula genus, check out these guides next: