PLANT SPOTLIGHT
Amaranth (Love-Lies-Bleeding)
Sun: Full sun
Water: Low
Mature size: 1-10′ ft tall, 2-8′ ft wide
Bloom time: Summer–fall
Hardiness: Zone 9b
Notes: Strong as an ornamental and an edible. Size variation based on variety.
My gardening love will always be flowers, above all else. When I was growing seeds in the Northeast, I came across Amaranth as an annual I wanted to try. Who wouldn’t want this bouquet on their table?
I found that there are more varieties than the dark red color. Some drop like tassels, and others are upright.
I didn’t have much success in the Northeast. Why? Because I had actually stumbled upon a plant that would rather be in Phoenix!
Amaranth is a heat‑adapted ancient grain with a dramatic past. If there were ever a plant designed for Phoenix, it’s amaranth. It’s a C4 photosynthetic annual, which means it’s biologically optimized for the exact conditions that make most plants miserable here: intense sun, low humidity, and sustained heat. While other annuals faint in June, amaranth simply straightens its spine and keeps growing.
Why Amaranth Thrives in Phoenix (The Science)
Amaranth belongs to a small group of plants that use the C4 photosynthetic pathway, a system optimized for:
- High heat
- High light intensity
- Low water availability
In practical terms: 110°F is not a crisis for amaranth — it’s an accelerant.
Botanically, you’ll notice:
- Thick, upright stems that resist wilting
- Broad, slightly glaucous leaves that reduce water loss
- Deep, fibrous roots that anchor well in desert soils
- Long, drooping inflorescences packed with tiny flowers and seeds (an inflorescence is the entire flowering structure — main flowering stem, branches, tiny flowers, and the pattern they form — basically the colorful tassels on the amaranth)
It packs a punch visually, but this plant is tough.
A Plant With Ancient History
Amaranth has been cultivated for millennia across the Americas. The Aztecs grew it as a staple crop, and it held both nutritional and ceremonial importance. Spanish colonizers attempted to suppress its cultivation, making it actually illegal to grow.
However, the plant survived — quietly, stubbornly, the way it grows now in my Hygge Garden.
Nutritional Powerhouse
Amaranth seeds aren’t technically grains — they’re pseudocereals — but nutritionally they outperform many true grains.
- Complete protein (contains all essential amino acids)
- High in lysine, which most grains lack
- Rich in iron, magnesium, calcium, and fiber
- Naturally gluten‑free
- Leaves are edible and nutrient‑dense, similar to spinach
It’s a plant that nourishes from root to seed.
Why It’s Called “Love‑Lies‑Bleeding”
The name comes from the plant’s long, red inflorescences, which can cascade downward like a crimson rope. In Victorian flower language, it symbolized unfading love or love that endures suffering.
The genus name Amaranthus comes from the Greek amarantos, meaning “unfading” or “everlasting.” It’s a poetic nod to the plant’s resilience and the way its flowers hold color even when dried.
Growing Amaranth in Phoenix (Zone 9b)
- Sun: Full sun, even in June
- Water: Deep watering every 3–4 days once established
- Soil: Loose, well‑draining, slightly amended
- Heat tolerance: Excellent — thrives in 105–115°F
- Spacing: Give it room; it grows taller and wider than expected
- Pests: Minimal; occasional leaf miners early on
Seedlings look delicate, but once they root in, they transform. The stems thicken, the leaves broaden, and the plant takes on a surprisingly strong, sturdy appearance.
Since I can’t show you inflorescences from my plant yet, I found some examples.
Why It Belongs in a Phoenix Garden
Amaranth is one of the rare plants that doesn’t need to be shaded, babied, or fussed over. It simply grows — beautifully and reliably.
It gives you:
- Vertical structure
- Edible leaves and seeds
- Cut flowers (that can also be dried)
- Drought tolerance
- Heat resilience
- A plant with a story
Amaranth isn’t your everyday flowering annual. It’s a little exotic, something that feels both different and ancient, and a plant that fits an English cottage aesthetic (hence the Victorians’ interest). Above all, unlike so many other plants, it genuinely wants to be here in Phoenix — a true right‑plant‑in‑the‑right‑place scenario.