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Pachypodium ambongense

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Out of Stock
$ 70.00 / plant
Attribute Option
Quantity Qty
1
Sales Type Retail, WYSIWYG
Product Size W12cm
Weight 1.0 kg
Propagation Method Seed-grown
Genus Pachypodium

Description

Origin

Pachypodium ambongense is one of the rarest and most localized species in the genus. It is endemic to Western Madagascar, specifically restricted to the Namoroka region (Reserve Naturelle Integrale de Namoroka). It was first described by the French botanist Henri Perrier de la Bâthie in 1921. Due to its extremely limited distribution and slow growth, it is a flagship species for collectors and is protected under CITES Appendix II.

Habitat

In the wild, this species is a specialist of the limestone karst (Tsingy) landscapes. It thrives in the crevices of eroded limestone outcrops, often growing in full sun or light shade within deciduous dry forests. The habitat is characterized by a dramatic seasonal split: an intense summer rainy season followed by a severe, bone-dry winter. The plant anchors its roots into the mineral-rich alkaline grit of the limestone, utilizing its succulent trunk to survive months of total drought.

Description

Pachypodium ambongense is an architectural masterpiece, prized for its bottle-shaped trunk and large, pristine flowers.

  • Caudex & Trunk: It develops a classic bottle-shaped (lageniform) pachycaul trunk. The bark is smooth and silvery-gray, giving it a very clean and refined appearance compared to other species. It is a slow-growing dwarf tree, typically reaching 1 to 1.5 meters in the wild, but remaining compact in cultivation.

  • Spines: The trunk is armed with pairs of straight, sharp stipular spines that are about 5–10 mm long. These spines are often less dense than those of P. lamerei, emphasizing the smooth texture of the silver bark.

  • Foliage: It produces a crown of obovate to elliptical leaves at the apex. The leaves are a vibrant green, relatively thin, and have a distinct light-colored midrib.

  • Flowers: The most defining trait of this species is its large, pure white flowers with a yellow throat. Unlike many other Madagascan species, the floral tube of P. ambongense is notably long and straight, which is a key diagnostic feature for identification.

  • Cultivation: This is a "trophy" plant for experienced growers. It requires maximum light intensity and a strictly mineral, alkaline substrate (incorporating limestone or crushed coral is recommended). It is highly sensitive to overwatering, especially during its deep winter dormancy, and must be kept warm at all times.

Care Guide

Essential Care Tips for Thriving Plants

Light

Provide partial to full sun. Most plants thrive on direct UV exposure. Avoid placing behind window glass, as it filters out the essential UV rays needed for healthy growth.

Water

Follow the "Soak and Dry" principle. Ensure the top 2–3 cm of soil is bone dry before watering (use the finger test). Reduce frequency in winter, but do not stop watering entirely.

Temperature

The ideal range is 18–35 °C. Maintain temperatures above 5 °C during winter. Please note that temperatures below 0 °C pose a significant risk of plant death.

Humidity

Best kept at 30–50% humidity. Note: High air humidity is not a substitute for root watering. Avoid overly damp areas to prevent root rot or leggy side shoots.

Soil

A loose, well-draining medium is ideal. A mix containing 50–70% grit or mineral soil is recommended for aeration. Outdoor ground planting is also a viable option.

Fertilizer

Fertilize during repotting using Osmocote A2 slow-release fertilizer. Apply sparingly twice a year, or adjust the fertilizer type based on your specific home environment.

Planting Guide

Start Your Green Journey in 4 Steps

Unbox & Inspect

Carefully unpack and inspect the plant’s body and roots. We recommend taking photos or videos immediately for your records. Place it in a shaded, well-ventilated spot for 1–2 days to acclimate to its new environment.

Potting & Placement

After 24 hours of rest, pot the plant using slightly moistened soil. Place it in a bright, airy location to encourage recovery. Keep away from AC vents or heaters to prevent damage from temperature fluctuations.

First Watering

Use water that has sat for at least 24 hours. If using the damp-potting method, wait 2–3 days before the first watering. Ensure a thorough soak until water drains freely from the bottom.

Daily Care

Monitor leaf condition and soil moisture daily. If the soil remains damp, increase ventilation rather than watering. Proper airflow is essential to prevent root rot and ensure lasting health.

  • 5 stars: 17 (85%)
  • 4 stars: 3 (15%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
This product has no reviews of its own. The merchant grouped it with related products, so the reviews shown are from across that group.
M
M.S.
Same Size Shipped|W1.5-2cm|Grafting

Delivery was very fast! I received a very nice and healthy Euphorbia turbiniformis, grafted on a well-chosen E. neorubella rootstock. The graft is very stable (I have tried gently pressing the scion and it stays fully secure on the rootstock), and I think the choice of the caudex rootstock really brings out the natural beauty of the cute scion on top, as their colours look good together (compared to other E. turbuniformis in the market that are grafted on green rootstocks). The E. turbuniformis scion was also bigger than I expected, and it appears to be pushing out new side offshoots, so I am very pleased with the robustness of this plant. It continues to do well a month after arriving. Thank you for the excellent customer service and growing advice, and I look forward to shopping with you again!

M
M.S.
Same Size Shipped|W4-6cm|Seed-grown

Delivery was very fast! I received a very nice and healthy Euphorbia actinoclada with a strong root system. It was grown under very good conditions, so it has remained very compact such that the reduced main stem is so full of healthy branches that it is hard to see without peering behind the branches! The plant is also highly robust and actively growing new spines, not to mention, and also bigger than I was expecting, which I am very happy with. It is doing very well even 1 month after ordering. I am very pleased with my order! Thank you for the excellent customer service and growing advice, and I look forward to shopping with you again!

M
M.S.
Same Size Shipped|W9-10cm|Seed-grown

Delivery was very fast! I received a very nice and healthy Euphorbia schizacantha with a strong root system and mature enough to put out very pretty red flowers. The plant that I received was much bigger and more mature than I was expecting, which I am very happy with. The natural corking is also very beautiful and helps me appreciate the maturity of the plant. It is doing very well even 1 month after ordering. I am very pleased with my order! Thank you for the excellent customer service and growing advice, and I look forward to shopping with you again!

M
M.S.

Delivery was very fast! I received a very nice and healthy Euphorbia brevirama with a strong root system and mature enough to put out cute little blooms, and is actively growing new branches. I am very pleased with my order! Thank you for the excellent customer service with my order too and I look forward to shopping with you again!

Y
Y.

All the plants were in good condition, and the seeds were in good condition too.

I’m really glad it looks like we can do business together for a long time. Thank you.

Thank you for your kind words! We're delighted to hear you're happy with your plants and seeds. Looking forward to a great long-term partnership. If you need anything else, just let us know!

Z
Z.

先程受け取りました!!
とても新鮮で安心した取引になりました!!!!
またよろしくお願いします!!

S
S.

The plants are all in excellent condition! Thank you so much once again

S
S.

Absolute perfection! I am so pleasantly surprised—the plant I received is actually even larger than the dimensions listed. The root system was packed exceptionally well for transit, and the leaves are still vibrant and green.

P
P.

The plants arrived safely, all have been potted, looking forward to them regaining their vitality!

M
M.G.
No.01 Balance|W8.8cm|Own-rooted

Beautiful plant, fast shipping, and all my questions were promptly answered. Highly recommended!

W
W.

The plants arrived in wonderful shape! Thank you.

L
L.

Pretty cool plant. Traveled very well.

D
D.

I received my order and so far everything looks amazing! Thank you so much I genuinely appreciate it

C
C.

Thank you so much! Really excited to receive them

m
m.

The plants are beautiful.

E
E.

Thank you so much! Really excited to receive them

E
E.

I received my E. mlanjeana seedlings, and everything went perfectly. A dream come true!

D
D.

I received it and potted it up! I will take a picture tomorrow morning when it’s not dark out! I can also send you pictures once it leaves out again

M
M.

They're potted up! In half shade to settle in.As you can see my collection is growing nicely thank you for these beautiful plants!