Lemon Cherry Sundae Auto: two champions in one auto
Lemon Cherry Sundae Auto brings together two award winners. On one side, Fast Buds’ Lemon Cherry Cookies Auto, Best Hybrid Auto 2025 at the American Autoflower Cup and Strain of the Year 2025 at The Grow Awards, which brings flavour and stunning looks. On the other, Sundae Thumper F4 by Mephisto Genetics, also Best Hybrid Auto at the American Autoflower Cup, which adds vigour and yield. The result is an F1 hybrid, 60% indica and 40% sativa, with up to 28% THC.
A wide bush that keeps stacking buds
It starts fast, with energetic growth and natural branching. With light training it opens into a wide, even bush full of flower sites. In flowering, buds stack and swell to the point where support is advisable. Even so, Fast Buds describes it as easy to manage, forgiving and undemanding when it comes to feeding. It reaches 70–110 cm (XXL size) and yields 450–550 g/m² indoors and 60–180 g per plant outdoors. Harvest time: 8 weeks, according to the bank.
Aroma, flavour and effect
A colour show, with hues shifting between purple, pink and green around dense, oily flowers. The aroma is pure confectionery: cherry and citrus up front, with creamy sweetness and a floral touch. On the palate, cookie and mango notes also come through.
As for the effect, growers who have tried it mostly report a happy, relaxed feeling, followed by an uplifting edge. It starts by lifting the mood with pleasant mental clarity and moves into a gentle body calm: a well-rounded hybrid, neither too heavy nor too racy.
Why choose Lemon Cherry Sundae Auto?
- Bred from two champions: Lemon Cherry Cookies Auto and Sundae Thumper F4.
- Stunning colours, from purple to pink, on dense, oily buds.
- Big yields with little effort, in just 8 weeks.
- A candy-like cherry and citrus aroma that won’t go unnoticed.
Lemon Cherry Sundae Auto specifications
| Seed bank | Fast Buds |
| Genetics | Lemon Cherry Cookies Auto × Sundae Thumper |
| Type | Feminized autoflower, F1 hybrid |
| Ratio | Sativa 40% / Indica 60% |
| THC | Up to 28% |
| CBD | < 1% |
| Harvest time (according to Fast Buds) | 8 weeks |
| Indoor yield | 450–550 g/m² |
| Outdoor yield | 60–180 g/plant |
| Height | 70–110 cm |
| Size | XXL |
| Flavours | Cherry, citrus, cookie, mango, sweet |
| Effect | Happy, uplifting and relaxing |
| Environment | Indoor, outdoor and greenhouse |
Growing tips
Like all autoflowers, Lemon Cherry Sundae Auto switches to flowering on its own, with no change in light schedule. Sow it straight into its final pot to avoid transplant stress, give it 18–20 hours of light indoors and start feeding at gentle doses. For week-by-week doses, see our Grotek feed chart for autoflowers.
Browse all Fast Buds autoflowering seeds or compare it with other strains in our autoflowering cannabis seeds category.
FAQ
Does it need support?
Often, yes: its buds stack so heavily that Fast Buds recommends supporting the branches in the second half of flowering.
Is it hard to grow?
No. Despite its yield, it’s forgiving and doesn’t need complicated feeding, according to Fast Buds.
What effect does Lemon Cherry Sundae Auto have?
A hybrid effect: it first lifts the mood with clarity, then settles into gentle body relaxation. Growers mostly report feeling happy and relaxed.
Can it be grown indoors and outdoors?
Yes. Indoors it yields 450–550 g/m², and outdoors 60–180 g per plant. It also does very well in a greenhouse.
At The Maria Shop we ship it in discreet packaging, free on orders over €100 within Europe, with free seeds on seed orders over €30.
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