Crassula x perforata - Ivory Towers
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QUESTIONS & ANSWERS
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Highlights
Ivory Towers or Giant String of Buttons (Crassula × perforata): Tall-growing succulent with stacks of thick, joined leaf pairs skewered by a stem that grows up to 18.0" tall. Give it plenty of sunshine and its pistachio green leaves will take on a dark pink outline. Flowers with a tall bloom stalk with small, white blossoms.
This variety is distinguished from other members of the C. perforata complex by its large size and the thick coating of farina that can give it a powdery blue appearance. Planting tip: let this succulent go wild in a hanging pot for a beautiful sprawling cascade.
Soft succulents will not survive a hard frost, but if there is a risk of freezing temperatures they can be brought indoors to grow on a sunny window sill or under a grow light. They need ample sunlight, great drainage, and infrequent water to prevent rot. Pick containers with drainage holes and use well-draining cactus and succulent soil with 50% to 70% mineral grit such as coarse sand, pumice, or perlite. Water deeply enough for water to run out the drainage hole, then wait for the soil to fully dry before watering again.
Product Size
2.0" Pot
Current Primary Color
Silver
All Seasonal Colors
Pink
Bloom Color
White Bloom
Grow Zone (Hardiness)
Zone 10 (30F)
Recommended Light Conditions
Bright Indoor Light, Filtered / Partial Sun
Maximum Height
Over 12"
Growth Habit / Shape
Hanging / Trailing, Vertical Grower / Tall Stem
Seasonality
Year-round Color
Special Characteristic
Easy to Propagate
THIS PLANT IS HARDY IN ZONES 10+
10
WHAT IS MY HARDINESS ZONE?
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Learn when and how to water Crassula, where they grow best, wh...
Questions & Answers
Popular Questions
• Staff Answer
Yes! Eventually, they'll trail down the pot.
• Staff Answer
Crassula x perforata is a hybrid between Crassula perforata and some other, unknown Crassula. No one knows who made the cross or if it's a wild crossing.
• Staff Answer
I think seeing these two next to each other would help more than a simple description so I grabbed them both from the greenhouse and snapped a photo. Ivory towers is on the left and string of buttons is on the right. Ivory towers has much larger leaves than string of buttons and its colors tend to be more distinct. By that I mean, there's not much of a gradient between the red leaf margin and the pale blue-green part.
String of buttons also has a thinner stem and more red spots on the leaves when compared to ivory towers.
String of buttons also has a thinner stem and more red spots on the leaves when compared to ivory towers.
• Staff Answer
Yes! This plant grows well indoors. Just be sure to give it lots of sunlight and plenty of time between waterings so the soil can fully dry out.
• Staff Answer
Ivory Towers can't always replace missing leaves, particularly if it's lost the growing tip of the stem (the apical meristem). It can, however, sprout new branches, grow tall, and fill in over time in a way that does mask previously leaf loss.
• Staff Answer
Because some species of Crassula have been shown to cause digestive issues when ingested, we do not consider any Crassula to be pet-safe. You can browse all of our pet-safe succulents at the link below or check the Pet-Safe filter on the left on any page.
Source: https://mountaincrestgardens.com/pet-...
Source: https://mountaincrestgardens.com/pet-...
• Staff Answer
Shop Succulent Soil Here
Succulents need grittier soil than other plants because they are adapted to dry conditions and store water in their leaves. Regular potting soil mixes stay damp for long periods of time, which can cause rot in succulents. Instead, use a sandy, well-draining soil so you can water thoroughly without leaving your succulent in standing water.
IN POTS…
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• Staff Answer
Our plants can be transplanted immediately upon arrival.
If you want to wait to transplant, they can remain in their original containers for up to a month. If the pots came in a plastic carrier tray, remove the pots from the carrier tray prior to the first watering.
Keep the plants indoors near a sunny window or outdoors under a roof (only if outdoor temperatures stay above your succulent's minimum hardiness temperature). Water only after the soil is fully dry by drenching from above with a faucet, hose, or watering can. Gently shake excess water from the leaves and allow containers to drain completely.
• Staff Answer
Fertilizing is not necessary, but it is a good option for succulent growers who want to encourage faster, larger growth. It can be used on mature plants with established roots. Only fertilize in the growing season (spring and summer for most varieties) to avoid weakening or burning dormant plants. Use a light touch and make 2-3 applications of low-Nitrogen, diluted fertilizer each year (N-P-K ratio around 5-10-10). You can find specially-formulated cactus / succulent fertilizers in most garden centers or go organic with compost tea or bone meal.
Example: Miracle-Gro Quick Start, diluted to half strength
• Staff Answer
Succulents need deep, infrequent watering, especially during their growing season and when they are young and establishing roots. Only water after the soil is completely dry and the plant feels less firm. Err on the side of underwatering. Watering too frequently is the most common way to kill succulents.
HOW TO WATER SUCCULENTS
- Drench from above using a faucet, hose, or watering can
- Do not mist with a spray bottle (the only exception is for Air Plants)
- Water until it drains from the container's drainage hole. If your container does not have a drainage hole (not recommended), use about 1/3 the volume of the container…
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Customer Reviews
4.6
Out of 5.0
Overall Rating
87%
of customers that buy this product give
it a 4 or 5-Star rating.
March 3, 2025 by Cindy O. (Tennessee , United States)
“Love them arrived beautiful and perfect”
February 8, 2025 by Andrea W. (United States)
“I love crassula and this makes a perfect mini garden”
December 18, 2024 by David C. (TX, United States)
“Beautiful plant in great condition.”
