Haworthia obtusa is a popular succulent characterized by its round shaped leaves and transparent lens on the tip of its leaves. Haworthia obtusa is slow growing and can grow to 4 inches (10 cm) wide.
It is a sun loving succulent but can also tolerate low sunlight. If you are looking for a small, low maintenance houseplant that does not need to be watered everyday, Haworthia obtusa is ideal for you. In fact, it thrives in dry conditions and will only need occasional watering. Here are tips and advice on how to take care of your Haworthia obtusa.
Haworthia obtusa Infographic
Haworthia obtusa Characteristics
|Light||Bright Indirect Light|
|Daytime Temperature||70 to 80 F (21-26C)|
|Night Time Temperature||60 to 70 F (15-21C)|
|Potting||Fast draining potting soil (cactus soil or succulent soil)|
|Fertilizer||Once a month at half strength but not in the Summer or Winter|
Does Haworthia obtusa Prefer Sun or Shade?
Haworthia obtusa is a sun loving indoor houseplant. In the wild, it grows on rocks and crevices away from direct sunlight. It likes sun but it’s best if it’s indirect sunlight.
The best placement is to position your Haworthia obtusa next to a south facing window. Position it so it’s not getting the full sun of a south facing window rather somewhat filtered or indirect. If you don’t have a south facing window, you can position your Haworthia obtusa next to a west facing window with medium light.
How Often Should You Water Your Haworthia obtusa?
Haworthia obtusa prefers dry soil. Overly wet soil will kill it. Since Haworthia obtusa is a succulent, only water when the soil feels dry. During winter, water your Haworthia obtusa sparingly.
How Do You Know When to Water Your Haworthia obtusa?
Haworthia obtusa does not need a lot of water, it’s a drought resistant, succulent plant. The best way to tell when it’s time to water is by sticking your finger into the soil 2 inches deep. If the soil feels dry, then water moderately. If the soil still feels moist and wet, don’t water it yet. Wait another week. When in doubt, it’s better to water less than to water too much.
What Type of Water Should You Use When Watering Your Haworthia obtusa?
Haworthia obtusa can be watered with tap water but be mindful of the water temperature that you are using to water your Haworthia obtusa. Don’t use straight cold water from the tap to water your Haworthia obtusa.
Haworthia obtusa prefers cool water that is not hot and not cold. When you turn on the cold water from the faucet add a little bit of warm water. You can also get to this ideal temperature by filling a watering can or pitcher with water and leaving it out overnight until the water is at room temperature.
How Do You Make Sure There is Proper Drainage for Your Haworthia obtusa?
Haworthia obtusa needs proper drainage otherwise it might suffer from stem rot. To ensure proper drainage, make sure the pot has drainage holes at the bottom. After watering your plant, don’t let it sit in the puddle of water that has accumulated in the saucer. Empty out the water from the saucer.
Do You Need to Mist Your Haworthia obtusa?
Haworthia obtusa prefers low humidity so it’s not necessary to mist it.
What Type of Potting Mix is Best for Your Haworthia obtusa?
Haworthia obtusa needs a fast draining potting mix. You can buy premixed potting soil with mycorrhizal fungi that are made specially for cactus and succulents. It’s best to buy organic soil mixtures because non-organic soil mixtures often contain a higher concentration of fertilizer which can burn the roots of your plant. Non-organic soil mixtures are not generally suitable for houseplants.
Haworthia obtusa Plant Potting Mix
You can make your own potting mix for your Haworthia obtusa by blending the following potting media:
- 1 Part Horticultural Sand
- 1 Part General Purpose Organic Potting Medium
- 1 Part Perlite
Do You Need to Fertilize Your Haworthia obtusa?
Haworthia obtusa will benefit from a once a month application of fertilizer. Apply fertilizer at half strength during Spring and Fall months. Don’t feed in the Winter months when it’s dormant and not growing. Only fertilize your Haworthia obtusa when it’s actively growing.
What Fertilizer Should You Use for Your Haworthia obtusa?
Use organic fertilizers with a balanced Nitrogen, Phosphorus and Potassium content.
How Do You Know When To Repot Your Haworthia obtusa?
You will need to repot your Haworthia obtusa every 1-2 years. Buy a larger pot, around 2 inches larger in diameter than the current pot. Make sure you buy a pot that has drainage holes at the bottom so water doesn’t accumulate and cause root rot and stem rot.
How Big Does Haworthia obtusa Grow?
Haworthia obtusa are small succulents that can grow to 4 inches wide.
How Do You Propagate Haworthia obtusa?
Haworthia obtusa is easy to propagate. Your Haworthia obtusa will start grow pups once it reaches 4 inches in diameter in size. Pups are offshoots connected to the mother succulent plant. You will see that these pups have roots.
Simply cut off your Haworthia obtusa pups with a sharp, sterilized knife. Make sure you include a sufficient amount of roots with your pup cutting. Don’t remove pups from the mother plant if they are too small. Only cut off pups that have grown large enough that you can hold it.
Leave the pup cutting out overnight before planting it in a pot. This will allow the raw end that was cut to dry up. Plant your Haworthia obtusa pup in a pot with succulent potting mix. Water after planting. Water every 2-3 days until the roots are established. Place your new Haworthia obtusa plant in a spot with bright indirect sunlight.
What are Common Problems that Affect Your Haworthia obtusa?
Haworthia obtusa are hardy succulents and are rarely afflicted with diseases. The most common problems that affect Haworthia obtusa are root rot, mealybugs and sunburn.
Why are There Fluffy White Growth In Between the Leaves and Stems of Your Haworthia obtusa?
These fluffy white growth in between the leaves and stems of your Haworthia obtusa are probably a result of mealybugs. These pests are common in houseplants. They are caused by insects. Once you know there is a mealybug infestation, immediately wash off the mealybugs from your Haworthia obtusa with water or soapy water. You can spray it with rubbing alcohol. You can also spray it with insecticidal soap or horticultural oil.
Why are there Brown and Black Patches on the Leaves of Your Haworthia obtusa?
These brown or black patches on your Haworthia obtusa are sunburn spots. This is a result of too much direct, hot sun on your Haworthia obtusa. Unfortunately, these sunburn spots are permanent so it will not turn back green even when your Haworthia obtusa is in a less sunny spot.
Why Does Your Haworthia obtusa Look Wilted Even if the Soil is Wet?
If your Haworthia obtusa looks wilted even if the soil is wet, there is a chance your Haworthia obtusa is suffering from root rot. The way to tell if its root rot is to pull the plant out and examine the roots. If the roots of your Haworthia obtusa plant look mushy and are gray to black in color, these are telltale signs of root rot.
The cause of root rot is a result of wet soil due to overwatering or poor drainage. Root rot is caused by fungus and is a serious problem for your Haworthia obtusa. When your Haworthia obtusa is afflicted with root rot the chance of survival is slim. Prevention is key, don’t overwater your Haworthia obtusa in the first place and make sure there is good drainage in the pot.